diff --git a/doc/index.rst b/doc/index.rst
index 92acce5650..8e0f960d82 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -1,7 +1,7 @@
 Sale Module
 ###########
 
-The sale module define the Sale model.
+The sale module defines the Sale model.
 
 
 Sale