fix header

docs/_layouts/default.html

@@ -28,7 +28,7 @@
         {% elsif page.url contains "examples" %}
           <h1>Examples</h1>
           <p class="lead">Examples.</p>
-        {% elsif page.url contains "examples" %}
+        {% elsif page.url contains "about" %}
           <h1>About</h1>
           <p class="lead">Learn about the project's history, meet the maintaining teams, and find out how to use the Bootstrap brand.</p>
         {% elsif page.url contains "browser-bugs" %}