[library-web] Fix Copy-paste error

[Alexandre Franke <afranke src gnome org>]

commit cf7fc4b187c6719580f82d252084a2da34afa0ab
Author: Alexandre Franke <alexandre franke gmail com>
Date:   Sun Nov 9 23:39:39 2014 +0100

    Fix Copy-paste error

 data/overlay.xml.in |    9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)
---
diff --git a/data/overlay.xml.in b/data/overlay.xml.in
index d9ee60e..135ac19 100644
--- a/data/overlay.xml.in
+++ b/data/overlay.xml.in
@@ -467,6 +467,7 @@
     </document>
 
     <document doc_module="json-glib" channel="devel">
+      <category>api-base</category>
       <subsection>api-others</subsection>
       <_abstract>
         JSON-GLib is a library for reading and parsing JSON using GLib and
@@ -475,15 +476,9 @@
     </document>
 
     <document doc_module="cogl" channel="devel">
+      <category>api-base</category>
       <subsection>api-others</subsection>
       <_abstract>
-        JSON-GLib is a library for reading and parsing JSON using GLib and
-        GObject data types and API.
-      </_abstract>
-    </document>
-
-    <document doc_module="cogl" channel="devel">
-      <_abstract>
         COGL is a low level OpenGL abstraction library developed for (and part
        of) Clutter. It is used primarily by Clutter to provide a common rendering
        API that works transparently across OpenGL >=1.4, OpenGL ES 1.1 and OpenGL