fix wiki fragment for PackageGlobalMessageCheck

src/NzbDrone.Core/HealthCheck/Checks/PackageGlobalMessageCheck.cs

@@ -35,7 +35,7 @@ public override HealthCheck Check()
                 result = HealthCheckResult.Warning;
             }
 
-            return new HealthCheck(GetType(), result, message, "#package_maintainer_message");
+            return new HealthCheck(GetType(), result, message, "#package-maintainer-message");
         }
     }
 }