diff --git a/data/syntax/less.xml b/data/syntax/less.xml
--- a/data/syntax/less.xml
+++ b/data/syntax/less.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE language SYSTEM "language.dtd">
-<language name="LESSCSS" version="1" kateversion="3.4" section="Markup" extensions="*.less" mimetype="text/css" author="from CCS:Wilbert Berendsen (wilbert@kde.nl)" license="LGPL">
+<language name="LESSCSS" version="2" kateversion="3.4" section="Markup" extensions="*.less" mimetype="text/css" author="from CCS:Wilbert Berendsen (wilbert@kde.nl)" license="LGPL">
 
     <highlighting>
         <list name="properties">
@@ -921,7 +921,7 @@
                 <RegExpr attribute="Region Marker" context="#stay" String="/\*BEGIN.*\*/" beginRegion="UserDefined" />
                 <RegExpr attribute="Region Marker" context="#stay" String="/\*END.*\*/" endRegion="UserDefined" />
                 <Detect2Chars attribute="Comment" context="Comment" char="/" char1="*" beginRegion="comment" />
-                <Detect2Chars attribute="Comment" context="lessComment" char="/" char1="/" beginRegion="lessComment" />
+                <Detect2Chars attribute="Comment" context="lessComment" char="/" char1="/" />
             </context>
 
             <!-- other contexts -->