Fix issue with double colon.

Author: guzman-raphael

tests/test_schemas/+University/Message.m

@@ -2,7 +2,7 @@
 # Message
 msg_id : uuid       # (this) is: a test of 'an' (elaborate), /type: of "comment" (good luck?)
 ---
-body : varchar(30)  # (try) with: double quote (to), throw: it (off)
+body : varchar(30)  # (try) with: double colon (to), throw: it (off)
 dep_id=null : uuid
 %}
 classdef Message < dj.Manual