diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 073ff043da..4b50e637e5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -129,7 +129,7 @@ This tag is for boolean properties associated with the test.
   available); necessary to test the behavior of directive prologue; implies
   `noStrict`
 - **`async`** - defer interpretation of test results until after the invocation
-  of the global $DONE` function
+  of the global `$DONE` function
 
 #### features
 **features**: [list]