Edit README.md for JSONField

Author: absci

README.md

@@ -222,7 +222,9 @@ Here is an example of the database settings:
 
 The following features are currently not supported:
 - mssql-django does not support SQL-based regex commands
-- Altering a model field from or to AutoField at migration
+- Altering a model field from or to AutoField at migration  
+
+Certain limitations for JSONField lookups, more details [here](https://github.com/microsoft/mssql-django/wiki/JSONField).
 
 ## Future Plans
 

mssql/functions.py

@@ -169,6 +169,7 @@ def json_HasKeyLookup(self, compiler, connection):
 
     return sql % tuple(rhs_params), []
 
+
 ATan2.as_microsoft = sqlserver_atan2
 In.split_parameter_list_as_sql = split_parameter_list_as_sql
 if VERSION >= (3, 1):