Mention C-c C-w in the signature section of the Message manual

* doc/misc/message.texi (Insertion Variables): Mention the C-c C-w
command (bug#43136).  Text suggested by Dan Jacobson.

diff --git a/doc/misc/message.texi b/doc/misc/message.texi
index 55b166eb8b08532cf36d41ff8077f6458db9f089..b192822fac6f0f1be2214311290fe6f8a6ba5593 100644 (file)
--- a/doc/misc/message.texi
+++ b/doc/misc/message.texi
@@ -2296,8 +2296,11 @@ String to mark the end of some inserted text.
 String to be inserted at the end of the message buffer.  If @code{t}
 (which is the default), the @code{message-signature-file} file will be
 inserted instead.  If a function, the result from the function will be
-used instead.  If a form, the result from the form will be used instead.
-If this variable is @code{nil}, no signature will be inserted at all.
+used instead.  If a form, the result from the form will be used
+instead.  If this variable is @code{nil}, no signature will be
+inserted at all, but you can still insert your
+@code{message-signature-file} by hand when desired, using the
+@kbd{C-c C-w} (@code{message-insert-signature}) command.
 
 @item message-signature-file
 @vindex message-signature-file