diff --git a/libupnp.changes b/libupnp.changes
index 373ecac..14344ce 100644
--- a/libupnp.changes
+++ b/libupnp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Nov 29 19:32:02 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
+
+- Update descriptions. "Portable" is part of the proper noun,
+  and needs an uppercase P here.
+
 -------------------------------------------------------------------
 Wed Nov 28 10:53:06 UTC 2018 - davejplater@gmail.com
 
diff --git a/libupnp.spec b/libupnp.spec
index cd33fca..213921a 100644
--- a/libupnp.spec
+++ b/libupnp.spec
@@ -13,7 +13,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -22,7 +22,7 @@
 Name:           libupnp
 Version:        1.8.4
 Release:        0
-Summary:        Portable Universal Plug and Play (UPnP) SDK
+Summary:        An implementation of Universal Plug and Play (UPnP)
 License:        BSD-3-Clause
 Group:          Development/Libraries/C and C++
 URL:            https://github.com/mrjimenez/pupnp
@@ -34,37 +34,35 @@ BuildRequires:  libtool
 BuildRequires:  pkgconfig
 
 %description
-The portable Universal Plug and Play (UPnP) SDK provides support for building
+The Portable Universal Plug and Play (UPnP) SDK provides support for building
 UPnP-compliant control points, devices, and bridges on several operating
 systems.
 
 %package -n %{name}%{pnpver}
-Summary:        Portable Universal Plug and Play (UPnP) SDK
+Summary:        An implementation of Universal Plug and Play (UPnP)
 Group:          System/Libraries
 
 %description -n %{name}%{pnpver}
-The portable Universal Plug and Play (UPnP) SDK provides support for building
+The Portable Universal Plug and Play (UPnP) SDK provides support for building
 UPnP-compliant control points, devices, and bridges on several operating
 systems
 
 %package -n libixml%{ixmlver}
-Summary:        Portable Universal Plug and Play (UPnP) SDK
+Summary:        The Portable UPnP SDK's XML library
 Group:          System/Libraries
 
 %description -n libixml%{ixmlver}
-The portable Universal Plug and Play (UPnP) SDK provides support for building
-UPnP-compliant control points, devices, and bridges on several operating
-systems
+A C XML parsing library originally created for the Intel UPnP SDK for Linux.
 
 %package devel
-Summary:        Portable Universal Plug and Play (UPnP) SDK
+Summary:        The Portable Universal Plug and Play (UPnP) SDK
 Group:          Development/Libraries/C and C++
-Provides:       libixml-devel = %{version}
+Provides:       libixml-devel = %{version}-%{release}
 Requires:       %{name}%{pnpver} = %{version}
 Requires:       libixml%{ixmlver} = %{version}
 
 %description devel
-The portable Universal Plug and Play (UPnP) SDK provides support for building
+The Portable Universal Plug and Play (UPnP) SDK provides support for building
 UPnP-compliant control points, devices, and bridges on several operating
 systems.