[doc] added small note about relase and conda channel

doc/install.rst

@@ -60,14 +60,14 @@ Installation Steps
 ------------------
 
 #. Activate the Conda environment you will be adding ``beat.editor`` to
-#. Add a new Conda channel: ::
 
-   $ conda config --env --add channels https://www.idiap.ch/software/beat/conda/label/beta
-
-#. Due to the current development state of this project you need to add this second Conda channel: ::
+#. Due to the current development state of this project you need to add these two Conda channels: ::
 
+   $ conda config --env --add channels https://www.idiap.ch/software/beat/conda/label/beta
    $ conda config --env --add channels https://www.idiap.ch/software/beat/conda
 
+Note: once this package released only the second channel will be required
+
 #. Install the ``beat.editor`` package: ::
 
    $ conda install beat.editor