diff --git a/xml/rest.xml b/xml/rest.xml
index 1c86f00..a61b16b 100644
--- a/xml/rest.xml
+++ b/xml/rest.xml
@@ -3,7 +3,7 @@
 [
         <!ENTITY inlinestart "(^|[-\s&apos;&quot;\(\[{&lt;/:‘“’«¡¿‐‑‒–— ])">
         <!ENTITY inlineend "(?=[-\s’”»‐‑‒–— &apos;&quot;\)\]}&gt;/:\.,;!\?\\]|$
-        <!ENTITY SimpleReferenceNameChars "\w_\.:\+-">
+        <!ENTITY SimpleReferenceNameChars "\w_\.:\+\-">
 ]>
 <!--
   This file is part of KDE's kate project.
