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-rw-r--r--doc/lispref/text.texi6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index acf72340a9d..e63e634db04 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -3472,8 +3472,10 @@ function called to display help strings. These may be @code{help-echo}
properties, menu help strings (@pxref{Simple Menu Items},
@pxref{Extended Menu Items}), or tool bar help strings (@pxref{Tool
Bar}). The specified function is called with one argument, the help
-string to display. Tooltip mode (@pxref{Tooltips,,, emacs, The GNU Emacs
-Manual}) provides an example.
+string to display, which is passed through
+@code{substitute-command-keys} before being given to the function; see
+@ref{Keys in Documentation}. Tooltip mode (@pxref{Tooltips,,, emacs,
+The GNU Emacs Manual}) provides an example.
@end defvar
@node Format Properties