diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index ccf9299..525a08c 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -4589,6 +4589,18 @@
 		:source $VIMRUNTIME/menu.vim
 <	Warning: This deletes all menus that you defined yourself!
 
+					*'langnoremap'* *'lnr'*
+'langnoremap' 'lnr'	boolean (default off)
+			global
+			{not in Vi}
+			{only available when compiled with the |+langmap|
+			feature}
+	When on, setting 'langmap' does not apply to characters resulting from
+	a mapping.  This basically means, if you noticed that setting
+	'langmap' disables some of your mappings, try setting this option.
+	This option defaults to off for backwards compatibility.  Set it on if
+	that works for you to avoid mappings to break.
+
 					*'laststatus'* *'ls'*
 'laststatus' 'ls'	number	(default 1)
 			global