diff --git a/in/public/network/smtp/index.rst b/in/public/network/smtp/index.rst
index c65cee3..f82a462 100644
--- a/in/public/network/smtp/index.rst
+++ b/in/public/network/smtp/index.rst
@@ -19,5 +19,5 @@ Email with attachment
  Content-Transfer-Encoding: base64
  Content-Type: application/octet-stream
 
- …
+ ${base64}
  --${separator}--