Gave correct role name

samples/tutorial/src/main/webapp/secure/extreme/index.jsp

@@ -14,8 +14,8 @@
 <h1>VERY Secure Page</h1>
 This is a protected page. You can only see me if you are a supervisor.
 
-<authz:authorize access="hasRole('ROLE_SUPERVISOR')">
-   You have "ROLE_SUPERVISOR" (this text is surrounded by &lt;authz:authorize&gt; tags).
+<authz:authorize access="hasRole('supervisor')">
+   You have authority "supervisor" (this text is surrounded by &lt;authz:authorize&gt; tags).
 </authz:authorize>
 
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