Fixed sys.language as readonly

Author: samyeyo

doc/sys/index.html

@@ -230,7 +230,7 @@
                         <tr draggable="false">
                           <td><a href="language.html">sys.language</a></td>
                           <td><span>Get the full localized name of the current locale</span></td>
-                          <td><span class="tag is-rounded is-warning is-small">readonly</span></td>
+                          <td><span class="tag is-rounded has-background-danger-light mt-0 is-small">readonly</span></td>
                           <td><span style="color:#EA6AC3">string</span></td>
                         </tr>                        
                         <tr draggable="false">