diff --git a/doc/NERD_tree.txt b/doc/NERD_tree.txt
index bf03896..a91a532 100644
--- a/doc/NERD_tree.txt
+++ b/doc/NERD_tree.txt
@@ -109,7 +109,7 @@ The following features and functionality are provided by the NERD tree:
 <
 :NERDTreeFromBookmark <bookmark>                       *:NERDTreeFromBookmark*
     Opens a fresh NERD tree with the root initialized to the dir for
-    <bookmark>.  This only reason to use this command over :NERDTree is for
+    <bookmark>.  The only reason to use this command over :NERDTree is for
     the completion (which is for bookmarks rather than directories).
 
 :NERDTreeToggle [<start-directory> | <bookmark>]             *:NERDTreeToggle*