docs(table): fix typo (#11034)

Author: andrewseguin

src/cdk/table/table.md

@@ -38,7 +38,7 @@ template. The directive also exports the same properties as `ngFor` (index, even
 last).
 
 The next step is to define the table's header-row (`cdkHeaderRowDef`), data-row (`cdkRowDef`),
-and fitler-row (`cdkFooterRowDef`). Note that each of these are optional to include, depending on
+and footer-row (`cdkFooterRowDef`). Note that each of these are optional to include, depending on
 what type of rows you want rendered (e.g. if you do not need a footer row, simply do not add
 its definition).
 
@@ -183,4 +183,4 @@ selectors. For example, `<table cdk-table>` becomes `<cdk-table>`; `<tr cdk-row`
 
 For an example of how to render the structure as a table, see the
 [documentation for `<mat-table>`](https://material.angular.io/components/table) which includes
-the style support for this approach.
+the style support for this approach.