diff --git a/java/README.md b/java/README.md
index febf16d088000d273588eeb950ebe89c037c51eb..9a6a82186883ad80d2dcd71a2d2b219cb4802687 100644
--- a/java/README.md
+++ b/java/README.md
@@ -11,10 +11,10 @@ It includes rdf schema and the schemagen jena tool to generate java file associa
 # How to update unl java class from the schema.
 
 1. Install maven 3 or higher (see wiki of your OS)
-2. Clone the repository : ```git clone https://gitlab.tetras-libre.fr/unl/rdf-vocabulary.git```
-3. Modify the file "rdf-vocabulary/src/main/vocabs/unlVocabulary.ttl"
-4. Run command ```mvn package``` to compile and create package
-5. Run command ```mvn install``` to install to your local maven repository the package.
+2. Clone the repository : ```git clone https://gitlab.tetras-libre.fr/unl/rdf-unl.git```
+3. `cd rdf-unl` then modify the file "schema.ttl"
+4. Within directory java run the command ```mvn package``` to compile and create package
+5. Within directory java command ```mvn install``` to install to your local maven repository the package.
 
 # Use the generated jar with maven based project