diff --git a/guide/english/python/lists/list-sort-method/index.md b/guide/english/python/lists/list-sort-method/index.md
index ef306308980..940b671609e 100644
--- a/guide/english/python/lists/list-sort-method/index.md
+++ b/guide/english/python/lists/list-sort-method/index.md
@@ -9,7 +9,7 @@ list.sort(key=…, reverse=[True/False])
### Parameters
-There are two optional parameters to this method
+There are two optional parameters to this method:
key - The input value for the key parameter should be a function that takes a single argument and returns a value used for comparisons to sort the items in the list.