diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py
index 7973997..aa84f1b 100644
--- a/Lib/dataclasses.py
+++ b/Lib/dataclasses.py
@@ -1387,7 +1387,7 @@ def exec_body_callback(ns):
         ns['__annotations__'] = annotations
 
     # We use `types.new_class()` instead of simply `type()` to allow dynamic creation
-    # of generic dataclassses.
+    # of generic dataclasses.
     cls = types.new_class(cls_name, bases, {}, exec_body_callback)
 
     # Apply the normal decorator.