Fixed a typo in docs/assets/css/docs.css

docs/assets/css/docs.css

@@ -541,7 +541,7 @@ h2 + .row {
   background-color: rgba(255,0,0,.25);
 }
 
-/* Eaxmples page
+/* Example page
 ------------------------- */
 .bootstrap-examples p {
   font-size: 13px;