diff --git a/libthai.changes b/libthai.changes
index 92569a6..59bb280 100644
--- a/libthai.changes
+++ b/libthai.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Mar  5 15:40:22 UTC 2018 - jengelh@inai.de
+
+- Fix SRPM group. Update descriptions.
+
 -------------------------------------------------------------------
 Wed Feb 28 16:36:34 UTC 2018 - dimstar@opensuse.org
 
diff --git a/libthai.spec b/libthai.spec
index 98d5cfa..a4a1545 100644
--- a/libthai.spec
+++ b/libthai.spec
@@ -21,62 +21,58 @@ Version:        0.1.27
 Release:        0
 Summary:        Thai Language Support Routines
 License:        LGPL-2.1-or-later
-Group:          System/Libraries
-URL:            http://linux.thai.net/plone/TLWG/libthai/
+Group:          Development/Libraries/C and C++
+Url:            http://linux.thai.net/plone/TLWG/libthai/
 Source:         https://linux.thai.net/pub/thailinux/software/libthai/%{name}-%{version}.tar.xz
 Source99:       baselibs.conf
 BuildRequires:  libdatrie-devel
 BuildRequires:  pkgconfig
 
 %description
-LibThai is a set of Thai language support routines aimed to ease
-developers' tasks to incorporate Thai language support in their
-applications. It includes important Thai-specific functions, such as
-word breaking, input and output methods, and basic character and string
-support.
+LibThai is a set of Thai language support routines to aid
+incorporation of Thai language support into applications. It includes
+important Thai-specific functions, such as word breaking, input and
+output methods, and basic character and string support.
 
 %package -n libthai0
 Summary:        Thai Language Support Routines
 # SLPP applied since version 0.1.15.
-Group:          System/Libraries
 # libthai needs the data to run, but the data is not parallel-installable,
 # hence the >= instead of =. We just hope the data format will stay the same in
 # the future.
+Group:          System/Libraries
 Requires:       libthai-data >= %{version}
 Provides:       libthai = %{version}
 Obsoletes:      libthai < %{version}
 
 %description -n libthai0
-LibThai is a set of Thai language support routines aimed to ease
-developers' tasks to incorporate Thai language support in their
-applications. It includes important Thai-specific functions, such as
-word breaking, input and output methods, and basic character and string
-support.
+LibThai is a set of Thai language support routines to aid
+incorporation of Thai language support into applications. It includes
+important Thai-specific functions, such as word breaking, input and
+output methods, and basic character and string support.
 
 %package data
-Summary:        Thai Language Support Routines - Data files
+Summary:        Data files for the Thai language support library
 Group:          System/Libraries
 
 %description data
-LibThai is a set of Thai language support routines aimed to ease
-developers' tasks to incorporate Thai language support in their
-applications. It includes important Thai-specific functions, such as
-word breaking, input and output methods, and basic character and string
-support.
+LibThai is a set of Thai language support routines to aid
+incorporation of Thai language support into applications. It includes
+important Thai-specific functions, such as word breaking, input and
+output methods, and basic character and string support.
 
 This package contains the data files for libthai.
 
 %package devel
-Summary:        Thai Language Support Routines (development files)
+Summary:        Development files for the Thai language support library
 Group:          Development/Languages/C and C++
 Requires:       libthai0 = %{version}
 
 %description devel
-LibThai is a set of Thai language support routines aimed to ease
-developers' tasks to incorporate Thai language support in their
-applications. It includes important Thai-specific functions, such as
-word breaking, input and output methods, and basic character and string
-support.
+LibThai is a set of Thai language support routines to aid
+incorporation of Thai language support into applications. It includes
+important Thai-specific functions, such as word breaking, input and
+output methods, and basic character and string support.
 
 This package contains headers and libraries required for developing
 software using libthai.
@@ -85,7 +81,7 @@ software using libthai.
 %setup -q
 
 %build
-%configure --disable-static --with-pic
+%configure --disable-static
 make %{?_smp_mflags}
 
 %install