diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 6750479..735e1c1 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -4978,6 +4978,13 @@
 	be used when 'encoding' is "utf-8", otherwise only printable
 	characters are allowed.  All characters must be single width.
 
+	Each character can be specified as hex: >
+		set listchars=eol:\\x24
+		set listchars=eol:\\u21b5
+		set listchars=eol:\\U000021b5
+<	Note that a double backslash is used.  The number of hex characters
+	must be exactly 2 for \\x, 4 for \\u and 8 for \\U.
+
 	Examples: >
 	    :set lcs=tab:>-,trail:-
 	    :set lcs=tab:>-,eol:<,nbsp:%