diff --git a/double-conversion.changes b/double-conversion.changes
index 3fb22da..973bc21 100644
--- a/double-conversion.changes
+++ b/double-conversion.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Jul 14 20:51:40 UTC 2017 - jengelh@inai.de
+
+- Fix RPM groups.
+  Slightly trim/compact descriptions.
+
 -------------------------------------------------------------------
 Wed Oct  5 07:35:07 UTC 2016 - zaitor@opensuse.org
 
diff --git a/double-conversion.spec b/double-conversion.spec
index 72023de..539bf32 100644
--- a/double-conversion.spec
+++ b/double-conversion.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package double-conversion
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -20,9 +20,9 @@
 Name:           double-conversion
 Version:        2.0.1
 Release:        0
-Summary:        Library providing binary-decimal and decimal-binary routines for IEEE doubles
+Summary:        Binary-decimal and decimal-binary routines for IEEE doubles
 License:        BSD-3-Clause
-Group:          System/Libraries
+Group:          Development/Libraries/C and C++
 Url:            https://github.com/google/double-conversion
 Source0:        https://github.com/google/double-conversion/archive/v%{version}.tar.gz
 Source99:       baselibs.conf
@@ -32,30 +32,30 @@ BuildRequires:  scons >= 2.3.0
 
 %description
 Double-conversion provides binary-decimal and decimal-binary routines
-for IEEE doubles. The library consists of efficient conversion routines
-that have been extracted from the V8 JavaScript engine. The code has been
-re-factored and improved so that it can be used more easily in other projects.
+for IEEE double-precision floating point numbers. The library
+consists of conversion routines that have been extracted from the V8
+JavaScript engine.
 
 %package     -n lib%{name}%{lib_ver}
-Summary:        Library providing binary-decimal and decimal-binary routines for IEEE doubles
+Summary:        Binary-decimal and decimal-binary routines for IEEE doubles
 Group:          System/Libraries
 
 %description -n lib%{name}%{lib_ver}
 Double-conversion provides binary-decimal and decimal-binary routines
-for IEEE doubles. The library consists of efficient conversion routines
-that have been extracted from the V8 JavaScript engine. The code has been
-re-factored and improved so that it can be used more easily in other projects.
+for IEEE double-precision floating point numbers. The library
+consists of conversion routines that have been extracted from the V8
+JavaScript engine.
 
 %package        devel
-Summary:        Library providing binary-decimal and decimal-binary routines for IEEE doubles
+Summary:        Development files for BCD/DCB routines for IEEE doubles
 Group:          Development/Libraries/C and C++
 Requires:       lib%{name}%{lib_ver} = %{version}
 
 %description    devel
 Double-conversion provides binary-decimal and decimal-binary routines
-for IEEE doubles. The library consists of efficient conversion routines
-that have been extracted from the V8 JavaScript engine. The code has been
-re-factored and improved so that it can be used more easily in other projects.
+for IEEE double-precision floating point numbers. The library
+consists of conversion routines that have been extracted from the V8
+JavaScript engine.
 
 This package provides libraries and header files for developing applications
 that use double-conversion.