diff --git a/README.md b/README.md
index 2d88f9a..6d55801 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,6 @@ An action that simply sends a mail to multiple recipients.
     from: Luke Skywalker # <user@example.com>
     # Optional content type (defaults to text/plain):
     content_type: text/html
-    # Optional attachments
+    # Optional attachments:
     attachments: attachments.zip,git.diff,./dist/static/main.js
 ```