State what the Safe Mode default actually is.

Author: BigBlueHat

playground/index.html

@@ -298,7 +298,7 @@ <h1><i class="icon-spinner icon-spin icon-large"></i> Loading the Playground...<
                       <div class="controls" id="options-api-safe">
                         <label class="radio inline">
                           <input type="radio" id="options-api-safe-default" name="safe" value="" checked/>
-                          Default
+                          Default (False)
                         </label>
 
                         <label class="radio inline">