diff --git a/kwindowsystem.spec b/kwindowsystem.spec
index db2bdf7..ec6172f 100644
--- a/kwindowsystem.spec
+++ b/kwindowsystem.spec
@@ -32,7 +32,7 @@ BuildRequires:  pkgconfig(xcb)
 BuildRequires:  pkgconfig(xcb-keysyms)
 BuildRequires:  pkgconfig(xfixes)
 BuildRequires:  pkgconfig(xrender)
-Summary:        KDE Base Libraries
+Summary:        KDE Access to window manager
 License:        LGPL-2.1+
 Group:          System/GUI/KDE
 Url:            http://www.kde.org
@@ -40,21 +40,25 @@ Source0:        kwindowsystem-%{version}.tar.xz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
-This package contains the core libraries of the K Desktop Environment.
+Convenience access to certain properties and features of the window manager.
 
-This package is absolutely necessary for using KDE applications.
+KWindowSystem provides information about the state of the window manager and
+allows asking the window manager to change the using a more high-level
+interface than the NETWinInfo/NETRootInfo low-level classes.
 
 %package -n %lname
-Summary:        KDE Core Libraries
+Summary:        KDE Access to window manager
 Group:          System/GUI/KDE
 
 %description -n %lname
-This package contains the core libraries of the K Desktop Environment.
+Convenience access to certain properties and features of the window manager.
 
-This package is absolutely necessary for using KDE applications.
+KWindowSystem provides information about the state of the window manager and
+allows asking the window manager to change the using a more high-level
+interface than the NETWinInfo/NETRootInfo low-level classes.
 
 %package devel
-Summary:        KDE Core Libraries: Build Environment
+Summary:        KDE Access to window manager: Build Environment
 Group:          Development/Libraries/KDE
 Requires:       %lname = %{version}
 Requires:       extra-cmake-modules
@@ -62,8 +66,12 @@ Requires:       pkgconfig(Qt5Core) >= 5.2.0
 Requires:       pkgconfig(Qt5Widgets) >= 5.2.0
 
 %description devel
-This package contains all necessary include files and libraries needed
-to develop non-graphical KDE applications.
+Convenience access to certain properties and features of the window manager.
+
+KWindowSystem provides information about the state of the window manager and
+allows asking the window manager to change the using a more high-level
+interface than the NETWinInfo/NETRootInfo low-level classes.
+Development files.
 
 %prep
 %setup -q