diff --git a/spring-security-custom-permission/README.MD b/spring-security-custom-permission/README.MD
index 760cf41c63..0812a73090 100644
--- a/spring-security-custom-permission/README.MD
+++ b/spring-security-custom-permission/README.MD
@@ -3,3 +3,4 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
 
 ###Relevant Articles:
 - [A Custom Security Expression with Spring Security](http://www.baeldung.com/spring-security-create-new-custom-security-expression)
+- [Custom AccessDecisionVoters in Spring Security](http://www.baeldung.com/spring-security-custom-voter)
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