diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d0fee8d3418c..943ee229f484 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -93,7 +93,7 @@ Please make sure the following is done when submitting a pull request:
 1. Fork [the repository](https://github.com/facebook/docusaurus) and create your branch from `master`.
 1. Add the copyright notice to the top of any code new files you've added.
 1. Describe your [**test plan**](#test-plan) in your pull request description. Make sure to [test your changes](https://github.com/facebook/Docusaurus/blob/master/admin/testing-changes-on-Docusaurus-itself.md)!
-1. Make sure your code lints (`npm run prettier`).
+1. Make sure your code lints (`npm run prettier && npm run lint`).
 1. Make sure our Jest tests pass (`npm run test`).
 1. If you haven't already, [sign the CLA](https://code.facebook.com/cla).
 
diff --git a/package-lock.json b/package-lock.json
index 189ca6596e16..20b518b68cd2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6811,6 +6811,7 @@
       "version": "3.7.0",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.7.0.tgz",
       "integrity": "sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=",
+      "dev": true,
       "requires": {
         "argparse": "^1.0.7",
         "esprima": "^2.6.0"
@@ -9072,6 +9073,34 @@
         "postcss": "^5.0.14",
         "postcss-value-parser": "^3.2.3",
         "svgo": "^0.7.0"
+      },
+      "dependencies": {
+        "js-yaml": {},
+        "svgo": {
+          "version": "0.7.2",
+          "resolved": "https://registry.npmjs.org/svgo/-/svgo-0.7.2.tgz",
+          "integrity": "sha1-n1dyQTlSE1xv779Ar+ak+qiLS7U=",
+          "requires": {
+            "coa": "~1.0.1",
+            "colors": "~1.1.2",
+            "csso": "~2.3.1",
+            "js-yaml": "~3.7.0",
+            "mkdirp": "~0.5.1",
+            "sax": "~1.2.1",
+            "whet.extend": "~0.9.9"
+          },
+          "dependencies": {
+            "js-yaml": {
+              "version": "3.7.0",
+              "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.7.0.tgz",
+              "integrity": "sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=",
+              "requires": {
+                "argparse": "^1.0.7",
+                "esprima": "^2.6.0"
+              }
+            }
+          }
+        }
       }
     },
     "postcss-unique-selectors": {
@@ -10900,20 +10929,6 @@
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
-    "svgo": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/svgo/-/svgo-0.7.2.tgz",
-      "integrity": "sha1-n1dyQTlSE1xv779Ar+ak+qiLS7U=",
-      "requires": {
-        "coa": "~1.0.1",
-        "colors": "~1.1.2",
-        "csso": "~2.3.1",
-        "js-yaml": "~3.7.0",
-        "mkdirp": "~0.5.1",
-        "sax": "~1.2.1",
-        "whet.extend": "~0.9.9"
-      }
-    },
     "symbol-observable": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",