- Added some documentation
diff --git a/code-generation/README b/code-generation/README
index f197a1c..bf00508 100644
--- a/code-generation/README
+++ b/code-generation/README
@@ -31,6 +31,11 @@
(for downloading external third party dependencies). Maven will be automatically
downloaded and installed by the maven wrapper `mvnw`.
+NOTE: When running from sources-zip, the `mvnw` might not be executable, this can easily
+be fixed by running the following command in the directory.
+
+$ chmod +x mvnw
+
Build PLC4X Java jars and install them in your local maven repository
$ ./mvnw install
