doc(button-toggle): add aria-label to button-toggle example (#10610)

josephperrott · web-flow · commit ddf22ed2ee10 · 2018-03-29T08:21:34.000-07:00
diff --git a/src/material-examples/button-toggle-overview/button-toggle-overview-example.html b/src/material-examples/button-toggle-overview/button-toggle-overview-example.html
@@ -1,4 +1,4 @@
-<mat-button-toggle-group name="fontStyle">
+<mat-button-toggle-group name="fontStyle" aria-label="Font Style">
   <mat-button-toggle value="bold">Bold</mat-button-toggle>
   <mat-button-toggle value="italic">Italic</mat-button-toggle>
   <mat-button-toggle value="underline">Underline</mat-button-toggle>

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-<mat-button-toggle-group name="fontStyle">`
	`1`	`+<mat-button-toggle-group name="fontStyle" aria-label="Font Style">`
`2`	`2`	`<mat-button-toggle value="bold">Bold</mat-button-toggle>`
`3`	`3`	`<mat-button-toggle value="italic">Italic</mat-button-toggle>`
`4`	`4`	`<mat-button-toggle value="underline">Underline</mat-button-toggle>`