Rename reset button to "reset".

Author: ksuess

docs/_templates/search.html

@@ -60,8 +60,8 @@ <h1 id="search-documentation">{{ _('Search') }}</h1>
           <div class="input-group-append">
             <button
               type="button"
-              class="clear_search btn btn-primary"
-            >{{ _('clear') }}</button>
+              class="clear_search btn btn-secondary"
+            >{{ _('reset') }}</button>
           </div>
         </div>
       </div>