Use capitals like other tabs

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

_includes/sidebar.html

@@ -28,7 +28,7 @@
       <li class="nav-item">
         <a href="/infix/" class="nav-link">
           <i class="fa-fw fas fa-book"></i>
-          <span>User's Guide</span>
+          <span>USER'S GUIDE</span>
         </a>
       </li>
       <!-- the real tabs -->