diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 541fd71f..468f424a 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -17,7 +17,7 @@
 # search_term       - Deprecated: Some languages may be indexed under a
 #                     different alias. Avoid defining new exceptions.
 # language_id       - Integer used as a language-name-independent indexed field so that we can rename
-#                     languages in Linguist without reindexing all the code on GitHub. Must not be 
+#                     languages in Linguist without reindexing all the code on GitHub. Must not be
 #                     changed for existing languages without the explicit permission of GitHub staff.
 # color             - CSS hex color to represent the language.
 # tm_scope          - The TextMate scope that represents this programming
@@ -2279,6 +2279,7 @@ M:
   ace_mode: text
   codemirror_mode: mumps
   language_id: 214
+  tm_scope: none
 M4:
   type: programming
   extensions: