diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index c23366b..7a44f2c 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -1787,10 +1787,10 @@ function! s:DumpHelp()
         let @h=@h."\" \n\" ----------------------------\n"
         let @h=@h."\" Bookmark commands~\n"
         let @h=@h."\" :Bookmark <name>\n"
-        let @h=@h."\" :BookmarkToRoot <bookmark>\n"
-        let @h=@h."\" :RevealBookmark <bookmark>\n"
-        let @h=@h."\" :OpenBookmark <bookmark>\n"
-        let @h=@h."\" :ClearBookmarks [<bookmarks>]\n"
+        let @h=@h."\" :BookmarkToRoot <name>\n"
+        let @h=@h."\" :RevealBookmark <name>\n"
+        let @h=@h."\" :OpenBookmark <name>\n"
+        let @h=@h."\" :ClearBookmarks [<names>]\n"
         let @h=@h."\" :ClearAllBookmarks\n"
     else
         let @h="\" Press ". g:NERDTreeMapHelp ." for help\n"