diff --git a/reactos/win32ss/user/ntuser/input.c b/reactos/win32ss/user/ntuser/input.c
index b85e064a547..193ee688138 100644
--- a/reactos/win32ss/user/ntuser/input.c
+++ b/reactos/win32ss/user/ntuser/input.c
@@ -430,7 +430,7 @@ UserAttachThreadInput(PTHREADINFO ptiFrom, PTHREADINFO ptiTo, BOOL fAttach)
         return FALSE;
 
     /* MSDN Note:
-       Keyboard and mouse events received by both threads are processed by the thread specifieby the idAttachTo.
+       Keyboard and mouse events received by both threads are processed by the thread specified by the idAttachTo.
      */
 
     /* If Attach set, allocate and link. */