diff --git a/grammars/gfm.cson b/grammars/gfm.cson
index 2e7f6b2..5280136 100644
--- a/grammars/gfm.cson
+++ b/grammars/gfm.cson
@@ -1108,4 +1108,10 @@
       }
     ]
   }
+  {
+    'include': 'text.html.basic'
+  }
+  {
+    'include': 'text.html.liquid'
+  }
 ]