diff --git a/abl.tmLanguage b/abl.tmLanguage
index 9081c4a..e5d984a 100644
--- a/abl.tmLanguage
+++ b/abl.tmLanguage
@@ -17,6 +17,14 @@
             <key>include</key>
             <string>#multilinecomment</string>
         </dict>
+        <dict>
+            <key>begin</key>
+            <string>\s\/\/</string>
+            <key>end</key>
+            <string>\n</string>
+            <key>name</key>
+            <string>comment.block.source.abl</string>
+        </dict>	    
         <dict>
             <key>begin</key>
             <string>'</string>