[gnome-icon-theme-symbolic] add a note on export

[Jakub Steiner <jimmac src gnome org>]

commit 38ff359852c8ab654687c5ef5915043ea2012a1c
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Jul 26 17:54:27 2010 +0200

    add a note on export

 README |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/README b/README
index 524fca1..4539ec1 100644
--- a/README
+++ b/README
@@ -12,7 +12,7 @@ a -symbolic icon is missing, the app will fall back to the regular name.
 Primitive build instructions
 ============================
 
-Running the r.rb script will chop up the "source" SVG into individual icons. 
+Running the r.rb script will chop up the "source" SVG into individual icons. Part of the process is converting paths strokes into objects. This is for the external stylesheet to work at gtk3 runtime. This means objects that rely on this conversion need to be undgrouped inside the master group.
 
 Targets
 =======