diff --git a/README.txt b/README.txt
index 346a8e3..0ad791c 100644
--- a/README.txt
+++ b/README.txt
@@ -269,7 +269,7 @@ command must be available on the system PATH)::
   $ mkrelease -s -i fred@bedrock.com -d pypi src/my.package
 
 The ``-i`` flag is entirely optional, and GnuPG will pick your default
-key if not given. Additionally, defaults for ``-s`` and ``-i`` may be
+key if not given. In addition, defaults for ``-s`` and ``-i`` may be
 configured in ``~/.mkrelease``::
 
   [defaults]