Merge remote-tracking branch 'origin/remove-seosummary-nomatch' into …

…remove-seosummary-nomatch * origin/remove-seosummary-nomatch: Fixed typo (mdn#8139) Fix link to fragment on same page (mdn#8128) Fix sectioning problem and remove redirect in Using the Painting API (mdn#8130) Fix sectioning flaw in WebGL Boilerplate #1 (mdn#8131) Remove {{draft}} from HTMLMediaElement.videoTracks (mdn#8129) Replace Intl/* with Intl.* (mdn#8136) chore(deps): bump @mdn/yari from 0.4.723 to 0.4.731 (mdn#8135) Convert Houdini docs to markdown Rename Houdini docs from .html to .md Move Web/Houdini to Web/Guide/Houdini Move files to CSS/CSS_Backgrounds_and_Borders (mdn#8121) Fix live sample box size in font-synthesis (mdn#8120) Remove all occurrences of dragexit event and ondragexit h… (mdn#8113) Clarify “How the Web works” section describing parse order (mdn#8108) Fix a link in Global_Objects/Object/propertyIsEnumerable (mdn#8119) Remove seoSummary, part 2 (mdn#8115) Remove seoSummary, part 1 (mdn#8114) index.html: typo (match </th> with opening <th>) (mdn#8112)
wbamberg · Aug 20, 2021 · 40397e4 · 40397e4
2 parents 5162098 + b4e0c4e
commit 40397e4
Show file tree

Hide file tree

Showing 668 changed files with 1,273 additions and 1,261 deletions.
diff --git a/files/en-us/_redirects.txt b/files/en-us/_redirects.txt
@@ -9967,10 +9967,13 @@
 /en-US/docs/Web/CSS/CSS3_Columns	/en-US/docs/Web/CSS/CSS_Columns/Using_multi-column_layouts
 /en-US/docs/Web/CSS/CSS_Animations/Using_CSS_animations/Detecting_CSS_animation_support	/en-US/docs/Web/CSS/CSS_Animations/Detecting_CSS_animation_support
 /en-US/docs/Web/CSS/CSS_Background_and_Borders	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders
+/en-US/docs/Web/CSS/CSS_Background_and_Borders/Border-image_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Border-image_generator
+/en-US/docs/Web/CSS/CSS_Background_and_Borders/Border-radius_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Border-radius_generator
+/en-US/docs/Web/CSS/CSS_Background_and_Borders/Box-shadow_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Box-shadow_generator
 /en-US/docs/Web/CSS/CSS_Background_and_Borders/Scaling_background_images	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Resizing_background_images
 /en-US/docs/Web/CSS/CSS_Background_and_Borders/Using_CSS_multiple_backgrounds	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Using_multiple_backgrounds
 /en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Scaling_background_images	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Resizing_background_images
-/en-US/docs/Web/CSS/CSS_Box_Model/Box-shadow_generator	/en-US/docs/Web/CSS/CSS_Background_and_Borders/Box-shadow_generator
+/en-US/docs/Web/CSS/CSS_Box_Model/Box-shadow_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Box-shadow_generator
 /en-US/docs/Web/CSS/CSS_Colors	/en-US/docs/Web/CSS/CSS_Color
 /en-US/docs/Web/CSS/CSS_Compositing_and_Blending	/en-US/docs/Web/CSS/Compositing_and_Blending
 /en-US/docs/Web/CSS/CSS_Device_Adaptation/Viewport_Concepts	/en-US/docs/Web/CSS/Viewport_concepts
@@ -10030,9 +10033,9 @@
 /en-US/docs/Web/CSS/Selector_lists	/en-US/docs/Web/CSS/Selector_list
 /en-US/docs/Web/CSS/Selectors	/en-US/docs/Web/CSS/CSS_Selectors
 /en-US/docs/Web/CSS/Text-overflow_TEST	/en-US/docs/Web/CSS/text-overflow
-/en-US/docs/Web/CSS/Tools/Border-image_generator	/en-US/docs/Web/CSS/CSS_Background_and_Borders/Border-image_generator
-/en-US/docs/Web/CSS/Tools/Border-radius_generator	/en-US/docs/Web/CSS/CSS_Background_and_Borders/Border-radius_generator
-/en-US/docs/Web/CSS/Tools/Box-shadow_generator	/en-US/docs/Web/CSS/CSS_Background_and_Borders/Box-shadow_generator
+/en-US/docs/Web/CSS/Tools/Border-image_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Border-image_generator
+/en-US/docs/Web/CSS/Tools/Border-radius_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Border-radius_generator
+/en-US/docs/Web/CSS/Tools/Box-shadow_generator	/en-US/docs/Web/CSS/CSS_Backgrounds_and_Borders/Box-shadow_generator
 /en-US/docs/Web/CSS/Tools/ColorPicker_Tool	/en-US/docs/Web/CSS/CSS_Colors/Color_picker_tool
 /en-US/docs/Web/CSS/Understanding_CSS_z-index	/en-US/docs/Web/CSS/CSS_Positioning/Understanding_z_index
 /en-US/docs/Web/CSS/Understanding_CSS_z-index/Adding_z-index	/en-US/docs/Web/CSS/CSS_Positioning/Understanding_z_index/Adding_z-index
@@ -10724,6 +10727,7 @@
 /en-US/docs/Web/HTTP/X-Frame-Options	/en-US/docs/Web/HTTP/Headers/X-Frame-Options
 /en-US/docs/Web/HTTP/data_URIs	/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
 /en-US/docs/Web/HTTP/www_and_non-www_URLs	/en-US/docs/Web/HTTP/Basics_of_HTTP/Choosing_between_www_and_non-www_URLs
+/en-US/docs/Web/Houdini	/en-US/docs//Web/Guide/Houdini
 /en-US/docs/Web/Houdini/CSS_Painting_API	/en-US/docs/Web/API/CSS_Painting_API/Guide
 /en-US/docs/Web/Houdini/CSS_Typed_OM	/en-US/docs/Web/API/CSS_Typed_OM_API
 /en-US/docs/Web/Houdini/Learn/CSS_Painting_API	/en-US/docs/Web/API/CSS_Painting_API/Guide

diff --git a/files/en-us/_wikihistory.json b/files/en-us/_wikihistory.json
@@ -1,4 +1,16 @@
 {
+  "/Web/Guide/Houdini": {
+    "modified": "2020-07-16T03:51:08.991Z",
+    "contributors": [
+      "Wind1808",
+      "enva-2-7-1-2",
+      "estelle",
+      "chrisdavidmills",
+      "SphinxKnight",
+      "jason2477",
+      "Sheppy"
+    ]
+  },
   "Games": {
     "modified": "2020-11-30T03:07:29.673Z",
     "contributors": [
@@ -101353,7 +101365,18 @@
       "cers"
     ]
   },
-  "Web/CSS/CSS_Background_and_Borders/Border-image_generator": {
+  "Web/CSS/CSS_Backgrounds_and_Borders": {
+    "modified": "2020-07-07T12:00:23.701Z",
+    "contributors": [
+      "wbamberg",
+      "fazl",
+      "fscholz",
+      "RainSlide",
+      "Sheppy",
+      "mfluehr"
+    ]
+  },
+  "Web/CSS/CSS_Backgrounds_and_Borders/Border-image_generator": {
     "modified": "2020-05-05T09:08:09.973Z",
     "contributors": [
       "chrisdavidmills",
@@ -101362,7 +101385,7 @@
       "gabriel_ivanica"
     ]
   },
-  "Web/CSS/CSS_Background_and_Borders/Border-radius_generator": {
+  "Web/CSS/CSS_Backgrounds_and_Borders/Border-radius_generator": {
     "modified": "2019-03-20T10:29:48.350Z",
     "contributors": [
       "alattalatta",
@@ -101372,7 +101395,7 @@
       "gabriel_ivanica"
     ]
   },
-  "Web/CSS/CSS_Background_and_Borders/Box-shadow_generator": {
+  "Web/CSS/CSS_Backgrounds_and_Borders/Box-shadow_generator": {
     "modified": "2020-04-21T23:07:57.113Z",
     "contributors": [
       "sideshowbarker",
@@ -101385,17 +101408,6 @@
       "groovecoder"
     ]
   },
-  "Web/CSS/CSS_Backgrounds_and_Borders": {
-    "modified": "2020-07-07T12:00:23.701Z",
-    "contributors": [
-      "wbamberg",
-      "fazl",
-      "fscholz",
-      "RainSlide",
-      "Sheppy",
-      "mfluehr"
-    ]
-  },
   "Web/CSS/CSS_Backgrounds_and_Borders/Resizing_background_images": {
     "modified": "2020-09-05T23:28:46.244Z",
     "contributors": [
@@ -129128,18 +129140,6 @@
       "fscholz"
     ]
   },
-  "Web/Houdini": {
-    "modified": "2020-07-16T03:51:08.991Z",
-    "contributors": [
-      "Wind1808",
-      "enva-2-7-1-2",
-      "estelle",
-      "chrisdavidmills",
-      "SphinxKnight",
-      "jason2477",
-      "Sheppy"
-    ]
-  },
   "Web/JavaScript": {
     "modified": "2020-12-04T13:37:15.949Z",
     "contributors": [

diff --git a/files/en-us/learn/getting_started_with_the_web/how_the_web_works/index.html b/files/en-us/learn/getting_started_with_the_web/how_the_web_works/index.html
@@ -70,16 +70,13 @@ <h2 id="So_what_happens_exactly">So what happens, exactly?</h2>
 
 <h2 id="Order_in_which_component_files_are_parsed">Order in which component files are parsed</h2>
 
-<p>Once the client’s request is approved, the server first sends back the HTML (index) file — index.html is commonly named as such, as it is the first file of a website to be parsed by the server.</p>
-
-<p>The HTML file can reference <a href="/en-US/docs/Learn/CSS">CSS</a> and <a href="/en-US/docs/Learn/JavaScript">JavaScript</a>, either in external files via <code>&lt;link&gt;</code> and <code>&lt;script&gt;</code> elements respectively, or embedded in the HTML page via <code>&lt;style&gt;</code> and <code>&lt;script&gt;</code> elements.</p>
-
-<p>From a server standpoint it is important to know the order in which these files are parsed when the response is sent back:</p>
+<p>When browsers send requests to servers for HTML files, those HTML files often contain {{htmlelement("link")}} elements referencing external <a href="/en-US/docs/Learn/CSS">CSS</a> stylesheets and {{htmlelement("script")}} elements referencing external <a href="/en-US/docs/Learn/JavaScript">JavaScript</a> scripts. It’s important to know the order in which those files are <a href="/en-US/docs/Web/Performance/How_browsers_work#parsing">parsed by the browser</a> as the browser loads the page:</p>
 
 <ul>
-  <li>The HTML file is parsed first and, by looking inside that file, the server recognises which CSS and JavaScript files are referenced.</li>
-  <li>After the HTML has been parsed and a DOM tree structure has been generated from it, the linked CSS is then parsed, and styles are applied to the appropriate parts of the DOM tree. At this point, the visual representation of the page is painted to the screen, and the user sees the page.</li>
-  <li>The JavaScript usually gets parsed and applied to the page after the HTML and CSS.</li>
+  <li>The browser parses the HTML file first, and that leads to the browser recognizing any <code>&lt;link&gt;</code>-element references to external CSS stylesheets and any <code>&lt;script&gt;</code>-element references to scripts.</li>
+  <li>As the browser parses the HTML, it sends requests back to the server for any CSS files it has found from <code>&lt;link&gt;</code> elements, and any JavaScript files it has found from <code>&lt;script&gt;</code> elements, and from those, then parses the CSS and JavaScript.</li>
+  <li>The browser generates an in-memory <a href="/en-US/docs/Web/API/Document_Object_Model">DOM</a> tree from the parsed HTML, generates an in-memory <a href="/en-US/docs/Glossary/CSSOM">CSSOM</a> structure from the parsed CSS, and <a href="/en-US/docs/Web/Performance/How_browsers_work#javascript_compilation">complies and executes</a> the parsed JavaScript</a>.</li>
+  <li>As the browser builds the DOM tree and applies the styles from the CSSOM tree and executes the JavaScript, a visual representation of the page is painted to the screen, and the user sees the page content and can begin to interact with it.</li>
 </ul>
 
 <h2 id="DNS_explained">DNS explained</h2>

diff --git a/files/en-us/learn/index.html b/files/en-us/learn/index.html
@@ -13,7 +13,7 @@
 ---
 <p>{{LearnSidebar}}</p>
 
-<p class="summary">Welcome to the MDN learning area. This set of articles aims to provide complete beginners to web development with all that they need to start coding websites.</p>
+<p class="summary">Welcome to the MDN learning area. This set of articles aims to guide complete beginners to web development with all that they need to start coding websites.</p>
 
 <p>The aim of this area of MDN is not to take you from "beginner" to "expert" but to take you from "beginner" to "comfortable." From there, you should be able to start making your way, learning from <a href="/en-US/">the rest of MDN</a>, and other intermediate to advanced resources that assume a lot of previous knowledge.</p>
 

diff --git a/files/en-us/web/api/abstractrange/endcontainer/index.html b/files/en-us/web/api/abstractrange/endcontainer/index.html
@@ -19,7 +19,7 @@
 ---
 <p>{{APIRef("DOM")}}</p>
 
-<p><span class="seoSummary">The <strong><code>endContainer</code></strong> property of the {{domxref("AbstractRange")}} interface returns the {{domxref("Node")}} in which the end of the range is located.</span></p>
+<p>The <strong><code>endContainer</code></strong> property of the {{domxref("AbstractRange")}} interface returns the {{domxref("Node")}} in which the end of the range is located.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/abstractrange/index.html b/files/en-us/web/api/abstractrange/index.html
@@ -15,7 +15,7 @@
 ---
 <div>{{APIRef("DOM WHATWG")}}</div>
 
-<p><span class="seoSummary">The <strong><code>AbstractRange</code></strong> abstract interface is the base class upon which all {{Glossary("DOM")}} range types are defined. A <strong>range</strong> is an object that indicates the start and end points of a section of content within the document.</span></p>
+<p>The <strong><code>AbstractRange</code></strong> abstract interface is the base class upon which all {{Glossary("DOM")}} range types are defined. A <strong>range</strong> is an object that indicates the start and end points of a section of content within the document.</p>
 
 <p>As an abstract interface, you will not directly instantiate an object of type <code>AbstractRange</code>. Instead, you will use the {{domxref("Range")}} or {{domxref("StaticRange")}} interfaces. To understand the difference between those two interfaces, and how to choose which is appropriate for your needs.</p>
 

diff --git a/files/en-us/web/api/abstractrange/startcontainer/index.html b/files/en-us/web/api/abstractrange/startcontainer/index.html
@@ -16,7 +16,7 @@
 ---
 <p>{{APIRef("DOM")}}</p>
 
-<p><span class="seoSummary">The read-only <strong><code>startContainer</code></strong> property of the {{domxref("AbstractRange")}} interface returns the start {{domxref("Node")}} for the range.</span></p>
+<p>The read-only <strong><code>startContainer</code></strong> property of the {{domxref("AbstractRange")}} interface returns the start {{domxref("Node")}} for the range.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/abstractrange/startoffset/index.html b/files/en-us/web/api/abstractrange/startoffset/index.html
@@ -16,7 +16,7 @@
 ---
 <p>{{APIRef("DOM")}}</p>
 
-<p><span class="seoSummary">The read-only <strong><code>startOffset</code></strong> property of the {{domxref("AbstractRange")}} interface returns the offset into the start node of the range's start position.</span></p>
+<p>The read-only <strong><code>startOffset</code></strong> property of the {{domxref("AbstractRange")}} interface returns the offset into the start node of the range's start position.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/addressline/index.html b/files/en-us/web/api/addresserrors/addressline/index.html
@@ -16,7 +16,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes an <code><strong>addressLine</strong></code> property when validation of the address finds one or more errors in the array of strings in the address's {{domxref("PaymentAddress.addressLine", "addressLine")}}. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes an <code><strong>addressLine</strong></code> property when validation of the address finds one or more errors in the array of strings in the address's {{domxref("PaymentAddress.addressLine", "addressLine")}}. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/city/index.html b/files/en-us/web/api/addresserrors/city/index.html
@@ -17,7 +17,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <code><strong>city</strong></code> property when validation of the address fails for the value given for the address's {{domxref("PaymentAddress.city", "city")}} property. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <code><strong>city</strong></code> property when validation of the address fails for the value given for the address's {{domxref("PaymentAddress.city", "city")}} property. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/country/index.html b/files/en-us/web/api/addresserrors/country/index.html
@@ -16,7 +16,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <strong><code>country</code></strong> property if during validation of the address the specified value of {{domxref("PaymentAddress.country", "country")}} was determined to be invalid. The value is a string describing the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <strong><code>country</code></strong> property if during validation of the address the specified value of {{domxref("PaymentAddress.country", "country")}} was determined to be invalid. The value is a string describing the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/dependentlocality/index.html b/files/en-us/web/api/addresserrors/dependentlocality/index.html
@@ -17,7 +17,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <strong><code>dependentLocality</code></strong> property when the address's {{domxref("PaymentAddress.dependentLocality", "dependentLocality")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <strong><code>dependentLocality</code></strong> property when the address's {{domxref("PaymentAddress.dependentLocality", "dependentLocality")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/languagecode/index.html b/files/en-us/web/api/addresserrors/languagecode/index.html
@@ -18,7 +18,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}{{deprecated_header}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <strong><code>languageCode</code></strong> property when the address's {{domxref("PaymentAddress.languageCode", "languageCode")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <strong><code>languageCode</code></strong> property when the address's {{domxref("PaymentAddress.languageCode", "languageCode")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/organization/index.html b/files/en-us/web/api/addresserrors/organization/index.html
@@ -17,7 +17,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes an <code><strong>organization</strong></code> property when the address's {{domxref("PaymentAddress.organization", "organization")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes an <code><strong>organization</strong></code> property when the address's {{domxref("PaymentAddress.organization", "organization")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/phone/index.html b/files/en-us/web/api/addresserrors/phone/index.html
@@ -20,7 +20,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <strong><code>phone</code></strong> property when the address's {{domxref("PaymentAddress.phone", "phone")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <strong><code>phone</code></strong> property when the address's {{domxref("PaymentAddress.phone", "phone")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/postalcode/index.html b/files/en-us/web/api/addresserrors/postalcode/index.html
@@ -21,7 +21,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <code><strong>postalCode</strong></code> property when the address's {{domxref("PaymentAddress.postalCode", "postalCode")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <code><strong>postalCode</strong></code> property when the address's {{domxref("PaymentAddress.postalCode", "postalCode")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/recipient/index.html b/files/en-us/web/api/addresserrors/recipient/index.html
@@ -17,7 +17,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <code><strong>recipient</strong></code> property when the address's {{domxref("PaymentAddress.recipient", "recipient")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <code><strong>recipient</strong></code> property when the address's {{domxref("PaymentAddress.recipient", "recipient")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>
 

diff --git a/files/en-us/web/api/addresserrors/region/index.html b/files/en-us/web/api/addresserrors/region/index.html
@@ -18,7 +18,7 @@
 ---
 <div>{{APIRef("Payment Request API")}}</div>
 
-<p><span class="seoSummary">An object based on {{domxref("AddressErrors")}} includes a <code><strong>region</strong></code> property when the address's {{domxref("PaymentAddress.region", "region")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</span></p>
+<p>An object based on {{domxref("AddressErrors")}} includes a <code><strong>region</strong></code> property when the address's {{domxref("PaymentAddress.region", "region")}} property couldn't be validated. The returned string explains the error and should offer suggestions for how to correct it.</p>
 
 <h2 id="Syntax">Syntax</h2>