Added info for the create_synonym_db() procedure.

Author: MarkLeith

procedures/create_synonym_db.sql

@@ -1,6 +1,12 @@
 /* 
  * Procedure: create_synonym_db()
  *
+ * Takes a source database name and synonym name, and then creates the 
+ * synonym database with views that point to all of the tables within
+ * the source database.
+ *
+ * Useful for creating a "ps" synonym for "performance_schema" for example.
+ *
  * Parameters
  *   in_db_name: The database you would like to create a synonym for.
  *   in_synonym: The synonym you would like to create.
@@ -74,4 +80,4 @@ BEGIN
 
 END$$
 
-DELIMITER ;
+DELIMITER ;