Change input placeholder

Author: Serial-ATA

util/gh-pages/index.html

@@ -454,7 +454,7 @@ <h1>Clippy Lints</h1>
                                                 ng-attr-id="filter-{filter}"
                                                 class="version-filter-input form-control filter-input"
                                                 maxlength="2"
-                                                placeholder="62"
+                                                placeholder="xx"
                                                 ng-model="version_filters[filter].minor_version"
                                                 ng-model-options="{debounce: 50}" />
                                         <span>.0</span>