diff --git a/doc/manpages/highlighters.asciidoc b/doc/manpages/highlighters.asciidoc
index f8f48896..451e5924 100644
--- a/doc/manpages/highlighters.asciidoc
+++ b/doc/manpages/highlighters.asciidoc
@@ -51,6 +51,10 @@ General highlighters
 	highlight matching char of the character under the selections cursor
 	using MatchingChar face
 
+*show_whitespaces*::
+	display symbols on top of whitespaces to make them more explicit
+	using the Whitespace face.
+
 *number_lines* [options]::
 	show line numbers, with the following *options*: