Add Realm guide to list of guides
diff --git a/documentation.md.vtl b/documentation.md.vtl
index 22c983c..da4cefb 100644
--- a/documentation.md.vtl
+++ b/documentation.md.vtl
@@ -26,6 +26,7 @@
* [Beginner's Webapp Tutorial: a step-by-step tutorial to enable Shiro in a web application](webapp-tutorial.html)
* [Authentication Guide](java-authentication-guide.html "Java Authentication Guide")
* [Authorization Guide](java-authorization-guide.html "Java Authorization Guide")
+* [Realm Guide](realm.html "Shiro Realm Guide")
* Community-contributed [Articles](articles.html "Articles")
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