diff --git a/aio/src/app/app.component.html b/aio/src/app/app.component.html
index b1484656201..bd7437d116d 100644
--- a/aio/src/app/app.component.html
+++ b/aio/src/app/app.component.html
@@ -31,10 +31,10 @@
       <aio-search-box class="search-container" #searchBox (onSearch)="doSearch($event)" (onFocus)="doSearch($event, true)"></aio-search-box>
       <aio-theme-toggle #themeToggle></aio-theme-toggle>
       <div #externalIcons class="toolbar-external-icons-container">
-        <a mat-icon-button href="https://twitter.com/angular" title="Twitter" aria-label="Angular on twitter">
+        <a mat-icon-button href="https://twitter.com/angular" title="Twitter" aria-label="Angular on Twitter">
           <mat-icon svgIcon="logos:twitter"></mat-icon>
         </a>
-        <a mat-icon-button href="https://github.com/angular/angular" title="GitHub" aria-label="Angular on github">
+        <a mat-icon-button href="https://github.com/angular/angular" title="GitHub" aria-label="Angular on GitHub">
           <mat-icon svgIcon="logos:github"></mat-icon>
         </a>
         <a mat-icon-button href="https://youtube.com/angular" title="YouTube" aria-label="Angular on YouTube">