Improve documentation of 'w32-scroll-lock-modifier'

* doc/emacs/msdos.texi (Windows Keyboard): Document how to set up
w32-scroll-lock-modifier so that Scroll Lock toggles the LED.

* src/w32fns.c (syms_of_w32fns) <w32-scroll-lock-modifier>: Doc
fix.  (Bug#25204)

1 files changed, 2 insertions, 1 deletions

diff --git a/src/w32fns.c b/src/w32fns.c
index 27c0d65fbd0..9f4232d5b92 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -9425,7 +9425,8 @@ Set to nil to handle Caps Lock as the `capslock' key.  */);
                doc: /* Modifier to use for the Scroll Lock ON state.
 The value can be hyper, super, meta, alt, control or shift for the
 respective modifier, or nil to handle Scroll Lock as the `scroll' key.
-Any other value will cause the Scroll Lock key to be ignored.  */);
+Any other value will cause the Scroll Lock key to be ignored by Emacs,
+and it will have the same effect as in other applications.  */);
   Vw32_scroll_lock_modifier = Qnil;
 
   DEFVAR_LISP ("w32-lwindow-modifier",