typo.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6201 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Hudson.java

@@ -1172,7 +1172,7 @@ public final class Hudson extends View implements ItemGroup<TopLevelItem>, Node
                 slave.getAssignedLabels();
         }
 
-        // read in old data that doens't have the security field set
+        // read in old data that doesn't have the security field set
         if(authorizationStrategy==null) {
             if(useSecurity==null || !useSecurity)
                 authorizationStrategy = AuthorizationStrategy.UNSECURED;