diff --git a/kivy/uix/accordion.py b/kivy/uix/accordion.py
index 9d6f303a7..32f1f9d4f 100644
--- a/kivy/uix/accordion.py
+++ b/kivy/uix/accordion.py
@@ -54,7 +54,7 @@ to customize the design of the title bar.
         [WARNING] [Accordion] need 440px, got 100px
         [WARNING] [Accordion] layout aborted.
 
-    That's mean you have too many children, and they are no more space to
+    That means you have too many children, and they are no more space to
     display any content. This is "normal", and nothing will be done. Try to
     increase the space for the accordion, and reduce the number of children. You
     can also reduce the :attr:`Accordion.min_space`.