diff --git a/doc/nano.texi b/doc/nano.texi
index b0ae0180..9a1a1320 100644
--- a/doc/nano.texi
+++ b/doc/nano.texi
@@ -1171,6 +1171,10 @@ Example: @code{F10}.
 @code{Ins} or @code{Del}.
 @end itemize
 
+Rebinding @code{^M} (Enter) or @code{^I} (Tab) is probably not a good idea.
+On some terminals it's not possible to rebind @code{^H} (unless @code{--raw}
+is used) because its keycode is identical to that of the Backspace key.
+
 @sp 1
 Valid names for the @code{function} to be bound are:
 
diff --git a/doc/nanorc.5 b/doc/nanorc.5
index f23e65ae..41584d0e 100644
--- a/doc/nanorc.5
+++ b/doc/nanorc.5
@@ -501,6 +501,10 @@ Example: F10.
 .BR Ins " or " Del .
 .RE
 
+Rebinding \fB^M\fR (Enter) or \fB^I\fR (Tab) is probably not a good idea.
+On some terminals it's not possible to rebind \fB^H\fR (unless \fB\-\-raw\fR
+is used) because its keycode is identical to that of the Backspace key.
+
 .TP
 Valid \fIfunction\fP names to be bound are:
 .RS 3