diff --git a/examples/simple-filtering/src/conf/test-nofilter.properties b/examples/simple-filtering/src/conf/test-nofilter.properties
index 211e7179..bfc51f0a 100644
--- a/examples/simple-filtering/src/conf/test-nofilter.properties
+++ b/examples/simple-filtering/src/conf/test-nofilter.properties
@@ -1 +1,4 @@
 # A simple config file that should not be filtered
+
+# Note: The filter below should not be replaced
+test.property = @testFilter@