diff --git a/README b/README
index 5b8d2e5..9463431 100644
--- a/README
+++ b/README
@@ -50,6 +50,13 @@ subject and description of the issue.::
 
   git redmine issue new
 
+issue comment
+-------------
+
+Comment on current issue or a targeted issue (--issue).
+
+  git redmine issue comment [--issue 9999]
+
 issue take
 ..........