diff --git a/python-u-msgpack-python.changes b/python-u-msgpack-python.changes
index b3d7281..cb76df3 100644
--- a/python-u-msgpack-python.changes
+++ b/python-u-msgpack-python.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Apr  3 23:19:39 UTC 2018 - jengelh@inai.de
+
+- Ensure neutrality and time-agnosticness of description.
+
 -------------------------------------------------------------------
 Sun Apr  1 22:14:43 UTC 2018 - arun@gmx.de
 
diff --git a/python-u-msgpack-python.spec b/python-u-msgpack-python.spec
index 4c8cd2c..7e5d377 100644
--- a/python-u-msgpack-python.spec
+++ b/python-u-msgpack-python.spec
@@ -20,7 +20,7 @@
 Name:           python-u-msgpack-python
 Version:        2.5.0
 Release:        0
-Summary:        A portable, lightweight MessagePack serializer and deserializer
+Summary:        A MessagePack serializer and deserializer
 License:        MIT
 Group:          Development/Languages/Python
 URL:            https://github.com/vsergeev/u-msgpack-python
@@ -33,12 +33,12 @@ BuildArch:      noarch
 %python_subpackages
 
 %description
-u-msgpack-python is a lightweight MessagePack serializer and
-deserializer module written in pure Python, compatible with both
-Python 2 and Python 3, as well as CPython and PyPy implementations of
-Python. u-msgpack-python is fully compliant with the latest
-MessagePack specification. In particular, it supports the new binary,
-UTF-8 string, and application-defined ext types.
+u-msgpack-python is a MessagePack serializer and
+deserializer module written in pure Python, compatible with
+Python 2, Python 3, in both the CPython and PyPy implementations of
+Python. u-msgpack-python is fully compliant with the MessagePack
+2017-09-17 specification. In particular, it supports the binary,
+UTF-8 string, and application-defined extended types.
 
 %prep
 %setup -q -n u-msgpack-python-%{version}