diff --git a/CHANGES b/CHANGES
index 5135560..408e068 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,6 @@
 0.9.7 UNRELEASED
  - Made sysv init executable
+ - Add missing documentation key to system/dkimpy-milter.service
 
 0.9.6 2018-03-13
  - Fixed typo in package installation section of README
diff --git a/system/dkimpy-milter.service b/system/dkimpy-milter.service
index 692d5aa..562d220 100644
--- a/system/dkimpy-milter.service
+++ b/system/dkimpy-milter.service
@@ -1,5 +1,6 @@
 [Unit]
 Description=DKIMpy Milter
+Documentation=man:dkimpy-milter(8) man:dkimpy-milter.conf(5) 
 After=syslog.target network.target
 
 [Service]