diff --git a/src/main/java/org/matsim/codeexamples/extensions/decongestion/package-info.java b/src/main/java/org/matsim/codeexamples/extensions/decongestion/package-info.java
new file mode 100644
index 00000000..ce8d4bc7
--- /dev/null
+++ b/src/main/java/org/matsim/codeexamples/extensions/decongestion/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * There is a test case that shows how this contrib can be used.  But not (yet) material here.  So please have a look at the test case.  
+ */
+package org.matsim.codeexamples.extensions.decongestion;