[extensions-web] about.html: Fix grammar

[Jasper St. Pierre <jstpierre src gnome org>]

commit f21e3746ed138d5bc64073e31e6d5e44e02cf0e8
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Nov 30 19:23:11 2011 -0500

    about.html: Fix grammar

 .../extensions/templates/extensions/about.html     |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/extensions/templates/extensions/about.html b/sweettooth/extensions/templates/extensions/about.html
index c81300b..4928c25 100644
--- a/sweettooth/extensions/templates/extensions/about.html
+++ b/sweettooth/extensions/templates/extensions/about.html
@@ -53,7 +53,7 @@ that provides GNOME 3. See the
 the main GNOME site to learn how to grab a Linux distribution with
 GNOME 3.
 </p>
-<h2 id="old-version"> I'm using GNOME 3 Why can't I install extensions?</h2>
+<h2 id="old-version"> I'm using GNOME 3. Why can't I install extensions? </h2>
 <p>
 Support for installing extensions from this website was first added in
 GNOME 3.2, so if you are using GNOME 3.0, you'll need to upgrade to a