[happybirthdaygnome-web] Some text fixes

[Andreas Nilsson <andreasn src gnome org>]

commit 24bf7abab801556faf836e73a0fd6eaf6453a4f4
Author: Andreas Nilsson <anilsson redhat com>
Date:   Mon Jul 31 19:07:26 2017 +0200

    Some text fixes

 index.html |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/index.html b/index.html
index 73b3566..1aca0f5 100644
--- a/index.html
+++ b/index.html
@@ -48,12 +48,12 @@
                     <div class="col-xs-12 col-sm-11 col-sm-offset-1">
                         <div class="text-center">
                             <p class="h1">Happy Birthday GNOME!</p>
-                            <p class="h2">The GNOME community is proud to celebrate 20 years of 
GNOME!</p><img alt="Birthday logo for 20 years of GNOME" class="img-responsive" 
src="./images/birthday_logo.png">
-                            <p class="h3 m-b-2">Join us in celebrating 20 years of GNOME by becoming a 
Friend of GNOME</p><a class="btn btn-action btn-xl btn-blue" href="https://www.gnome.org/friends/"; 
target="_blank">Donate to GNOME</a>
+                            <p class="h2">The GNOME community is proud to celebrate a major 
milestone.</p><img alt="Birthday logo for 20 years of GNOME" class="img-responsive" 
src="./images/birthday_logo.png">
+                            <p class="h3 m-b-2">Join us in celebrating 20 years of software freedom by 
becoming a Friend of GNOME</p><a class="btn btn-action btn-xl btn-blue" href="https://www.gnome.org/friends/"; 
target="_blank">Donate to GNOME</a>
+                            <p class="m-t-2">Your donation will help the GNOME Project continue to provide a 
great free and open source desktop for the world.</p>
+                            <p>GNOME brings volunteers, professionals, companies, and non-profits together 
from around the world to create a complete free software solution for everyone.</p>
+                            <p>Join us in celebrating the many people, projects, and developments that GNOME 
has seen over the last two decades, and help us plan the decades ahead!</p>
                         </div>
-                        <p class="m-t-2">Your donation will ensure that GNOME continues to be a free and 
open source desktop by providing resources to developers, education for end users, and worldwide promotion 
for GNOME.</p>
-                        <p>GNOME brings volunteers, professionals, companies, and non-profits together from 
around the world to create a complete free software solution for everyone. The GNOME community continues to 
have a memorable journey.</p>
-                        <p>Come together with us to celebrate the many people, projects, and developments 
that GNOME has seen over the last two decades, and help us plan the next two!</p>
                     </div>
                 </div>
             </div>
@@ -63,7 +63,7 @@
                 <div class="row">
                     <div class="col-xs-12 col-sm-11 col-sm-offset-1">
                         <div class="text-center">
-                            <p class="h1">Learn about the 20 year long history of GNOME</p>
+                            <p class="h1">Learn about GNOME's last 20 years</p>
                             <div class="timeline m-t-5">
                                 <div class="entry">
                                     <div class="title">