diff --git a/README.md b/README.md
index ec7316424d6c0129739d31c75a5ecfc928d59ea8..4d5c82411b72ef905ab6453b50753b1f5e626d1f 100644
--- a/README.md
+++ b/README.md
@@ -34,3 +34,14 @@ This cmake makro sets up dummy targets in the cmake configuration which call out
 It also parses the `package.xml` to add target dependencies from each `build_depends` tag (subsequently letting you
 sequence builds across repositories).
 
+It also adds a global and package `gradle-clean` target.
+
+```
+> catkin_make
+# Clean a single gradle package
+> cd ~/rosjava/build/rosjava_core
+> make gradle-clean-rosjava_core
+# Clean all gradle packages
+> cd ~/rosjava/build
+> make gradle-clean
+```