Add a statement regarding legal agreements for specification projects.

Change-Id: I3f62e799ce96c10382dc27ca4c489c9e30b56d92
diff --git a/content/en_index.php b/content/en_index.php
index e18842e..f7f6abe 100644
--- a/content/en_index.php
+++ b/content/en_index.php
@@ -131,6 +131,11 @@
       decide what gets delivered to the adopter community. Committer status is assigned following a demonstration
       of merit (generally a record of high-quality contribution to a project) and a successful 
       <a href="/projects/handbook#elections-committer">committer election</a>.</p>
+      <p>The specific agreements required depends on the nature of the project. For committers on an open source
+      <em>software</em> project (i.e., most Eclipse Foundation projects), the traditional 
+      <a href="https://www.eclipse.org/projects/handbook/#paperwork-documents">traditional agreements</a> are required. 
+      For committers on an open source <em>specification</em> project, additional 
+      <a href="https://www.eclipse.org/projects/handbook/#specifications-agreements">working group agreements</a> are required.</p>
       <p>Committer status is assigned on a project-by-project basis. That is, individuals have committer rights only 
       on those projects for which they hold committer status. For all other projects, they are contributors.</p>
       <p>Our committer provisioning process is automated: new committers will&mdash;following their successful