diff --git a/python-actdiag.changes b/python-actdiag.changes
index 6d5637d..12d30ee 100644
--- a/python-actdiag.changes
+++ b/python-actdiag.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Dec  5 01:51:27 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
+
+- Use noun phrase in summary.
+
 -------------------------------------------------------------------
 Tue Dec  4 12:45:27 UTC 2018 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-actdiag.spec b/python-actdiag.spec
index fdc29d3..a127cff 100644
--- a/python-actdiag.spec
+++ b/python-actdiag.spec
@@ -20,7 +20,7 @@
 Name:           python-actdiag
 Version:        0.5.4
 Release:        0
-Summary:        actdiag generates activity-diagram image from text
+Summary:        Text to activity-diagram image generator
 License:        Apache-2.0
 Group:          Development/Languages/Python
 URL:            http://blockdiag.com/
@@ -38,7 +38,7 @@ BuildArch:      noarch
 %python_subpackages
 
 %description
-actdiag generate activity-diagram image file from spec-text file.
+actdiag generates activity-diagram image files from spec-text files.
 
 %prep
 %setup -q -n actdiag-%{version}