Update README.md

README.md

@@ -10,16 +10,16 @@ python3 -m venv ~/.virtualenvs/iric-data
 source ~/.virtualenvs/iric-data/bin/activate
 ```
 
-Install
+Install a specific tag
 ```bash
 pip install --upgrade pip setuptools wheel
 pip install git+https://gitlab.iric.ca/bioinfo_iric/pyiricdata.git@v0.1
 ```
 
-Install in dev mode
+Install lastest version of master in dev mode
 ```bash
 pip install --upgrade pip setuptools wheel
-git clone git@gitlab.iric.ca:bioinfo_iric/pyiricdata.git
+git clone git@gitlab.iric.ca:bioinfo_iric/pyiricdata.git -b master
 git install -e .
 ```