[library-web] Added a description for libpeas

[Frederic Peters <fpeters src gnome org>]

commit 3d665f832eb8045005b401960230021548f30c9b
Author: Frédéric Péters <fpeters 0d be>
Date:   Mon Jul 12 16:30:03 2010 +0200

    Added a description for libpeas

 data/overlay.xml.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/overlay.xml.in b/data/overlay.xml.in
index 9f58296..1257d5b 100644
--- a/data/overlay.xml.in
+++ b/data/overlay.xml.in
@@ -501,6 +501,10 @@
 
     <document doc_module="libpeas" channel="devel">
       <subsection>api-desktop-plugins</subsection>
+      <_abstract>
+        libpeas is a gobject-based plugins engine, and is targetted at giving
+	every application the chance to assume its own extensibility.
+      </_abstract>
     </document>
     <document doc_module="gedit" channel="devel">
       <subsection>api-desktop-plugins</subsection>