Added mention of the RELEASE_24 tag for the 2.4 release.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61138 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 04ca83a..40f51fe 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -714,9 +714,10 @@
 <p>If you want to get a specific release (as opposed to the most recent
 revision), you can checkout it from the '<tt>tags</tt>' directory (instead of
 '<tt>trunk</tt>'). The following releases are located in the following
-  subdirectories of the '<tt>tags</tt>' directory:</p>
+subdirectories of the '<tt>tags</tt>' directory:</p>
 
 <ul>
+<li>Release 2.4: <b>RELEASE_24</b></li>
 <li>Release 2.3: <b>RELEASE_23</b></li>
 <li>Release 2.2: <b>RELEASE_22</b></li>
 <li>Release 2.1: <b>RELEASE_21</b></li>