Grammar: removed sentence (#19040)

files/en-us/web/css/containing_block/index.md

@@ -40,7 +40,7 @@ The process for identifying the containing block depends entirely on the value o
 
 1. If the `position` property is **`static`**, **`relative`**, or **`sticky`**, the containing block is formed by the edge of the _content box_ of the nearest ancestor element that is either **a block container** (such as an inline-block, block, or list-item element) or **establishes a formatting context** (such as a table container, flex container, grid container, or the block container itself).
 2. If the `position` property is **`absolute`**, the containing block is formed by the edge of the _padding box_ of the nearest ancestor element that has a `position` value other than `static` (`fixed`, `absolute`, `relative`, or `sticky`).
-3. If the `position` property is **`fixed`**, the containing block is established by the {{glossary("viewport")}} (in the case of continuous media) or the page area (in the case of paged media).Also, when the [`will-change`](/en-US/docs/Web/CSS/will-change) property is set to `transform`, the initial containing block established by this.
+3. If the `position` property is **`fixed`**, the containing block is established by the {{glossary("viewport")}} (in the case of continuous media) or the page area (in the case of paged media). 
 4. If the `position` property is **`absolute`** or **`fixed`**, the containing block may also be formed by the edge of the _padding box_ of the nearest ancestor element that has the following:
 
     1. A {{cssxref("transform")}} or {{cssxref("perspective")}} value other than `none`