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-rw-r--r--lisp/completion.el5
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/completion.el b/lisp/completion.el
index 485305b6e4..ceb272fad6 100644
--- a/lisp/completion.el
+++ b/lisp/completion.el
@@ -2337,7 +2337,10 @@ TYPE is the type of the wrapper to be added. Can be :before or :under."
;;;###autoload
(define-minor-mode dynamic-completion-mode
- "Enable dynamic word-completion."
+ "Toggle dynamic word-completion on or off.
+With a prefix argument ARG, enable the mode if ARG is positive,
+and disable it otherwise. If called from Lisp, enable the mode
+if ARG is omitted or nil."
:global t
;; This is always good, not specific to dynamic-completion-mode.
(define-key function-key-map [C-return] [?\C-\r])