Developer-setup.md

@@ -28,11 +28,18 @@ python3 -m venv .env
 . ./.env/bin/activate
 ```
 
-Next install the package in developer mode and any necessary development packages.
+(Optional) If you want to be able to make changes to the osdu-sdk that is used for communication with the OSDU API's then this should also be installed in developer mode. If you omit this step then you will use the published version of the sdk referenced in setup.py
+
+```bash
+pip install -e ..\osdu-sdk-python
+pip install -r dev-requirements.txt
+```
+
+Next install the main cli package in developer mode along with any necessary development packages.
 
 ```bash
 pip install -e .
-pip install -r requirements.txt
+pip install -r dev-requirements.txt
 ```
 
 You should now be able to run the command line.
@@ -58,6 +65,7 @@ Linux / MacOS
 The above can take the following optional arguments to just run specific portions of the validation:
 * lint
 * tests 
+* format
 
 e.g. 
 ```bash