diff --git a/lisp/org.el b/lisp/org.el
index d22feee58..a572b945a 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -16101,7 +16101,7 @@ changes from another.  I believe the procedure must be like this:
 ;;;###autoload
 (defun org-switchb (&optional arg)
   "Switch between Org buffers.
-With a prefix argument, restrict available to files.
+With one prefix argument, restrict available buffers to files.
 With two prefix arguments, restrict available buffers to agenda files.
 
 Defaults to `iswitchb' for buffer name completion.