diff --git a/gdk-pixbuf.changes b/gdk-pixbuf.changes
index 2ecf899..e8cb990 100644
--- a/gdk-pixbuf.changes
+++ b/gdk-pixbuf.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep  8 22:35:48 UTC 2017 - jengelh@inai.de
+
+- Update summaries and RPM categories.
+
 -------------------------------------------------------------------
 Tue Aug 22 13:25:02 UTC 2017 - dimstar@opensuse.org
 
diff --git a/gdk-pixbuf.spec b/gdk-pixbuf.spec
index 3d308b0..8f83899 100644
--- a/gdk-pixbuf.spec
+++ b/gdk-pixbuf.spec
@@ -23,7 +23,7 @@ Version:        2.36.9
 Release:        0
 Summary:        An image loading library
 License:        LGPL-2.1+
-Group:          System/Libraries
+Group:          Development/Libraries/GNOME
 Url:            http://www.gnome.org/
 Source:         https://download.gnome.org/sources/gdk-pixbuf/2.36/%{name}-%{version}.tar.xz
 Source1:        macros.gdk-pixbuf
@@ -66,7 +66,7 @@ modules for new image formats. It is used by toolkits such as GTK+ or
 Clutter.
 
 %package -n typelib-1_0-GdkPixbuf-2_0
-Summary:        An image loading library -- Introspection bindings
+Summary:        Introspection bindins for gdk-pixbuf
 Group:          System/Libraries
 
 %description -n typelib-1_0-GdkPixbuf-2_0
@@ -77,8 +77,8 @@ Clutter.
 This package provides the GObject Introspection bindings for gdk-pixbuf.
 
 %package query-loaders
-Summary:        An image loading library - Utility to create loaders cache
-Group:          System/Libraries
+Summary:        Utility to create a cache of gdk-pixbuf loaders
+Group:          System/X11/Utilities
 
 %description query-loaders
 gdk-pixbuf is an image loading library that can be extended by loadable
@@ -90,7 +90,7 @@ loadable modules.
 
 %package thumbnailer
 Summary:        System helper creating thumbnails
-Group:          System/Libraries
+Group:          System/X11/Utilities
 Supplements:    libgdk_pixbuf-2_0-0
 
 %description thumbnailer
@@ -101,7 +101,7 @@ Clutter.
 This package contains the thumbnailer utility.
 
 %package devel
-Summary:        An image loading library - Development Files
+Summary:        Development files for gdk-pixbuf, an image loading library
 Group:          Development/Languages/C and C++
 Requires:       libgdk_pixbuf-2_0-0 = %{version}
 Requires:       typelib-1_0-GdkPixbuf-2_0 = %{version}
@@ -111,7 +111,7 @@ gdk-pixbuf is an image loading library that can be extended by loadable
 modules for new image formats. It is used by toolkits such as GTK+ or
 Clutter.
 
-This package contains development files for gdk-pixbuf.
+This package contains the development files for gdk-pixbuf.
 
 %lang_package