diff --git a/libev.changes b/libev.changes
index c44323a..c99dca3 100644
--- a/libev.changes
+++ b/libev.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Sep 28 10:14:07 UTC 2017 - jengelh@inai.de
+
+- Update package descriptions and RPM categories.
+
 -------------------------------------------------------------------
 Mon Jul 17 08:52:41 UTC 2017 - tchvatal@suse.com
 
diff --git a/libev.spec b/libev.spec
index f8ccfc4..10ce4ea 100644
--- a/libev.spec
+++ b/libev.spec
@@ -20,7 +20,7 @@
 Name:           libev
 Version:        4.24
 Release:        0
-Summary:        A full-featured and high-performance event loop library
+Summary:        An event loop library
 License:        BSD-2-Clause
 Group:          Development/Libraries/C and C++
 Url:            http://software.schmorp.de/pkg/libev.html
@@ -32,18 +32,18 @@ Patch0:         libev-4.15_compiler_warnings.patch
 BuildRequires:  pkgconfig
 
 %description
-A full-featured and high-performance event loop that is loosely modelled after
-libevent, but without its limitations and bugs. It is used, among others, in
-the GNU Virtual Private Ethernet and rxvt-unicode packages.
+An event loop that is loosely modeled after libevent.
 
 %package -n %{library_name}
-Summary:        A full-featured and high-performance event loop library
-Group:          Development/Libraries/C and C++
+Summary:        An event loop library
+Group:          System/Libraries
 
 %description -n %{library_name}
-A full-featured and high-performance event loop that is loosely modelled after
-libevent, but without its limitations and bugs. It is used, among others, in
-the GNU Virtual Private Ethernet and rxvt-unicode packages.
+An event loop that is loosely modeled after libevent. Features
+include child/PID watchers, periodic timers based on wallclock
+(absolute) time (in addition to timers using relative timeouts), as
+well as epoll/kqueue/event ports/inotify/eventfd/signalfd support,
+timer management, time jump detection and correction.
 
 This package holds the shared libraries of libev.
 
@@ -53,9 +53,15 @@ Group:          Development/Libraries/C and C++
 Requires:       %{library_name} = %{version}
 
 %description devel
-A full-featured and high-performance event loop that is loosely modelled after
-libevent, but without its limitations and bugs. It is used, among others, in
-the GNU Virtual Private Ethernet and rxvt-unicode packages.
+An event loop that is loosely modeled after libevent. Features
+include child/PID watchers, periodic timers based on wallclock
+(absolute) time (in addition to timers using relative timeouts), as
+well as epoll/kqueue/event ports/inotify/eventfd/signalfd support,
+timer management, time jump detection and correction.
+
+It can be used as a libevent replacement using its emulation API, or
+directly embedded into programs. An optional Perl interface is
+available.
 
 This package holds the development files for libev.