MediaWiki:Hierarchybuilder-editmessage/en

The Hierarchy Root list contains the hierarchy that will be preserved when you save. The Unused Pages list contains pages in category $1 that are not currently in the hierarchy. You may rearrange the Hierarchy Root list by dragging rows up and down as well as changing their indentation. You may add pages from the Unused Pages list to the hierarchy by dragging and dropping them where you want them in the Hierarchy Root list. You may remove pages from the hierarchy by dragging them from the Hierarchy Root list and dropping them anywhere in the Unused Pages list.