diff --git a/data/en/tokenization b/data/en/tokenization
index 734cf1029..4a7d49b17 100644
--- a/data/en/tokenization
+++ b/data/en/tokenization
@@ -4,6 +4,8 @@
 #*---* ---
 #*'s  's
 
+'s  's
+'S  'S
 ain't   are not
 aren't  are not
 can't   can not