[gnome-shell] theme: Update README for build system integration

[Florian Müllner <fmuellner src gnome org>]

commit 62e9978c520fde97505db552835be5fc6149e680
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Feb 25 22:23:17 2015 +0100

    theme: Update README for build system integration
    
    A script is nice, but we can `make` it nicer ...

 data/theme/README |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/data/theme/README b/data/theme/README
index c724bb7..4c95dfd 100644
--- a/data/theme/README
+++ b/data/theme/README
@@ -1,8 +1,9 @@
 Summary
 -------
 
-* Do not edit the CSS directly, edit the source SCSS files and process them with SASS (run 
-  `/.parse-sass.sh` when you have the required software installed, as described below)
+* Do not edit the CSS directly, edit the source SCSS files and process them with SASS (running
+  `make` should do that when you have the required software installed, as described below;
+  run `/.parse-sass.sh` manually if it doesn't)
 * To be able to use the lates/adequate version of sass, install ruby, gem, sass & bundle. 
   On Fedora F20, this is done with `sudo dnf install rubygems && gem install bundle && bundle install`
   from the same directory this README resides in.