(Help Mode): Mention the backspace key.

diff --git a/man/help.texi b/man/help.texi
index 411f7c3a9b3c9b3c25c9fc5885ee32175663dbda..13e68e954e47c1485daca8f6ab1275164d1ade78 100644 (file)
--- a/man/help.texi
+++ b/man/help.texi
@@ -412,7 +412,9 @@ Ops}), plus a few special commands of their own.
 @item @key{SPC}
 Scroll forward.
 @item @key{DEL}
-Scroll backward.
+@itemx @key{BS}
+Scroll backward.  On some keyboards, this key is known as @key{BS} or
+@key{backspace}.
 @item @key{RET}
 Follow a cross reference at point.
 @item @key{TAB}