MediaWiki:Explainconflict

Someone else has changed this page since you started editing it, resulting in an edit conflict.
 * The upper text area contains the page text as it currently exists. (Without your changes)
 * Your version of the page (with your changes) are shown in the lower text area.
 * You will have to merge your changes into the existing text.
 * Only the text in the upper text area will be saved when you press ""; all other changes in the lower text area will be lost.

For additional information on edit conflicts, see Help:Edit conflict.