diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index a3f6e12..21cf650 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -4746,8 +4746,9 @@
 	  conceal:c	Character to show in place of concealed text, when
 			'conceallevel' is set to 1.
 							*lcs-nbsp*
-	  nbsp:c	Character to show for a non-breakable space (character
-			0xA0, 160).  Left blank when omitted.
+	  nbsp:c	Character to show for a non-breakable space character
+			(0xA0 (160 decimal) and U+202F).  Left blank when
+			omitted.
 
 	The characters ':' and ',' should not be used.  UTF-8 characters can
 	be used when 'encoding' is "utf-8", otherwise only printable