fix formatting

Author: liana313

index.html

@@ -87,7 +87,7 @@ <h2>Course Assistants</h2>
         <br>
         <div class="office-hours">
           <strong> Office Hours</strong> <br>
-          Friday 3-4pm, Gates 346
+          Friday 3:00 pm - 4:00 pm, Gates 346
         </div>
       </div>