[gnome-builder] Fix typo

[Alexandre Franke <afranke src gnome org>]

commit 60c20bed8edde3045dd7e52cd2c7852fabab82f7
Author: Alexandre Franke <alexandre franke gmail com>
Date:   Sat Oct 11 10:59:27 2014 -0400

    Fix typo

 README |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/README b/README
index e754c31..5842a21 100644
--- a/README
+++ b/README
@@ -12,7 +12,7 @@ IRC: irc.gimp.net #gnome-builder
 
 Builder attempts to be an IDE for writing software for GNOME. It does not try
 to be a generic IDE, but one specialized for writing GNOME software. We believe
-this this focus will help us to build something great.
+that this focus will help us to build something great.
 
 If you would like to help in this effort, join our IRC channel and we will help
 you find something to work on.