Update README.rst

README.rst

@@ -24,24 +24,17 @@ Either way, you need to have Miniconda installed
 As User
 *******
 
-Create a new environment for ``geomtree`` : 
+It is better, due to compatibility issue, to create a new environment from scratch for ``geomtree`` :
 
 ::
 
-   conda create -n geomtree -y python>=3.6
+   conda create -n geomtree -c mosaic geomtree
 
 Activate the environment : 
-
 ::
 
    source activate geomtree
 
-Install ``geomtree`` : 
-
-::
-
-   conda install -c mosaic geomtree
-
 As Developer
 ************