diff --git a/Lib/email/mime/application.py b/Lib/email/mime/application.py
index 6f8bb8a..f5c5905 100644
--- a/Lib/email/mime/application.py
+++ b/Lib/email/mime/application.py
@@ -17,7 +17,7 @@
                  _encoder=encoders.encode_base64, **_params):
         """Create an application/* type MIME document.
 
-        _data is a string containing the raw applicatoin data.
+        _data is a string containing the raw application data.
 
         _subtype is the MIME content type subtype, defaulting to
         'octet-stream'.