diff --git a/harfbuzz.changes b/harfbuzz.changes
index 682e892..e88076f 100644
--- a/harfbuzz.changes
+++ b/harfbuzz.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Mar 13 08:36:14 UTC 2018 - jengelh@inai.de
+
+- Update summaries.
+
 -------------------------------------------------------------------
 Sun Mar 11 03:40:33 UTC 2018 - luc14n0@linuxmail.org
 
diff --git a/harfbuzz.spec b/harfbuzz.spec
index f2c09ad..1ee282c 100644
--- a/harfbuzz.spec
+++ b/harfbuzz.spec
@@ -22,7 +22,7 @@ Release:        0
 Summary:        An OpenType text shaping engine
 License:        MIT
 Group:          Productivity/Text/Utilities
-URL:            https://www.freedesktop.org/wiki/Software/HarfBuzz
+Url:            https://www.freedesktop.org/wiki/Software/HarfBuzz
 Source:         https://www.freedesktop.org/software/harfbuzz/release/%{name}-%{version}.tar.bz2
 Source99:       baselibs.conf
 BuildRequires:  gcc-c++
@@ -49,7 +49,7 @@ Group:          System/Libraries
 HarfBuzz is an OpenType text shaping engine.
 
 %package -n libharfbuzz-icu0
-Summary:        An OpenType text shaping engine - ICU library
+Summary:        ICU integration into the HarfBuzz OpenType text shaping engine
 Group:          System/Libraries
 
 %description -n libharfbuzz-icu0
@@ -57,7 +57,7 @@ HarfBuzz is an OpenType text shaping engine.
 This package contains the ICU library.
 
 %package -n libharfbuzz-gobject0
-Summary:        An OpenType text shaping engine - GObject library
+Summary:        GObject wrapper around the HarfBuzz OpenType text shaping engine
 Group:          System/Libraries
 
 %description -n libharfbuzz-gobject0
@@ -65,7 +65,7 @@ HarfBuzz is an OpenType text shaping engine.
 This package contains the GObject library.
 
 %package -n typelib-1_0-HarfBuzz-0_0
-Summary:        An OpenType text shaping engine - Introspection bindings
+Summary:        Introspection bindings for the HarfBuzz/GObject library
 Group:          System/Libraries
 
 %description -n typelib-1_0-HarfBuzz-0_0
@@ -73,18 +73,18 @@ HarfBuzz is an OpenType text shaping engine.
 This package provides the GObject Introspection bindings for HarfBuzz.
 
 %package tools
-Summary:        An OpenType text shaping engine -- Tools
+Summary:        Tools from the HarfBuzz text shaping software
 Group:          Productivity/Text/Utilities
 
 %description tools
 HarfBuzz is an OpenType text shaping engine.
 
 %package devel
-Summary:        An OpenType text shaping engine -- Development Files
+Summary:        Development files for the HarfBuzz OpenType text shaping engine
 Group:          Development/Libraries/C and C++
+Requires:       libharfbuzz-gobject0 = %{version}
 Requires:       libharfbuzz-icu0 = %{version}
 Requires:       libharfbuzz0 = %{version}
-Requires:       libharfbuzz-gobject0 = %{version}
 Requires:       typelib-1_0-HarfBuzz-0_0 = %{version}
 Requires:       pkgconfig(freetype2) >= 12.0.6