diff --git a/python-seqdiag.changes b/python-seqdiag.changes
index 7522779..85aa8b9 100644
--- a/python-seqdiag.changes
+++ b/python-seqdiag.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Dec 18 23:37:49 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
+
+- Use noun phrase in summary. Fixup grammar issues.
+
 -------------------------------------------------------------------
 Tue Dec  4 12:54:09 UTC 2018 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-seqdiag.spec b/python-seqdiag.spec
index d9c4f27..252dc9c 100644
--- a/python-seqdiag.spec
+++ b/python-seqdiag.spec
@@ -25,7 +25,7 @@ BuildArch:      noarch
 Name:           python-seqdiag
 Version:        0.9.5
 Release:        0
-Summary:        Generates sequence-diagram image from text
+Summary:        Python module to generate sequence-diagram images from text
 License:        Apache-2.0
 Group:          Development/Languages/Python
 URL:            http://blockdiag.com/
@@ -38,10 +38,10 @@ Requires:       python-setuptools
 %python_subpackages
 
 %description
-`seqdiag` generate sequence-diagram image file from spec-text file.
+`seqdiag` generates sequence-diagram image files from spec-text files.
 
 * Generate sequence-diagram from dot like text (basic feature).
-* Multilingualization for node-label (utf-8 only).
+* Multilingualization for node-label (UTF-8 only).
 
 %prep
 %setup -q -n seqdiag-%{version}