README: update build instruction to switch to maste-next branch

The building instruction didn't mention that users should checkout the master-next branch and build from it. This branch contains the lastest ifupdown2 version

diff --git a/README.rst b/README.rst
index ea9f7720e41621ddd2b7e9fc23fe71bccdd94a67..0c3338066e0863ee2dca9a5242e70d23ef8b0f6d 100644 (file)
--- a/README.rst
+++ b/README.rst
@@ -35,7 +35,7 @@ Once you have a copy of the source, you should build a deb-package and install i
 
 .. code-block:: console
 
-    $ cd ifupdown2 && make deb
+    $ cd ifupdown2 && git checkout master-next && make deb
 
 The generated deb should be in the root directory (``../ifupdown2_2.0.0_all.deb``)