(toggle-truncate-lines): Clarify doc string.

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index 7a278ad3db6..aa44fa382ba 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -4329,7 +4329,7 @@ The variable `selective-display' has a separate value for each buffer."
 (defvaralias 'default-indicate-unused-lines 'default-indicate-empty-lines)
 
 (defun toggle-truncate-lines (&optional arg)
-  "Toggle whether to fold or truncate long lines on the screen.
+  "Toggle whether to fold or truncate long lines for the current buffer.
 With arg, truncate long lines iff arg is positive.
 Note that in side-by-side windows, truncation is always enabled."
   (interactive "P")