Address feedback

Author: devversion

src/lib/toolbar/toolbar.md

@@ -31,7 +31,7 @@ inside of a `<md-toolbar>`.
 </md-toolbar>
 ```
 
-**Note**: Placing content outside of a `<md-toolbar-row>` when multiple rows are specified, is not
+**Note**: Placing content outside of a `<md-toolbar-row>` when multiple rows are specified is not
 supported.
 
 ### Positioning toolbar content

src/lib/toolbar/toolbar.ts

@@ -42,7 +42,6 @@ export class MdToolbarRow {}
   inputs: ['color'],
   host: {
     'class': 'mat-toolbar',
-    'role': 'toolbar',
     '[class.mat-toolbar-multiple-rows]': 'this._toolbarRows.length',
     '[class.mat-toolbar-single-row]': '!this._toolbarRows.length'
   },