Add updated header example for Compliance Group

Author: williamsalexisSFDC

examples/markdown/docs/custom-objects/Event__c.md

@@ -45,7 +45,7 @@ Represents an event that people can register for.
 
 Used to store the U.S. social security number in 9 digit format.
 
-**Compliance Category**
+**Compliance Group**
 PII
 
 **Security Classification**