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
index f24ac0e28d0..e0f5f7feaf2 100644
--- 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>