Add comma

Author: rchinn1

src/unify/profile-api.md

@@ -169,7 +169,7 @@ When you make requests to the Profile API, use the Access Token as the basic aut
 curl https://profiles.segment.com/v1/spaces/<space_id>/collections/users/profiles
   -u $SEGMENT_ACCESS_TOKEN:
 ```
-If you're using a Segment Function or Node.js you can format your header object to include authentication like so:
+If you're using a Segment Function or Node.js you can format your header object to include authentication, like so:
 
 ```
 headers: {