diff --git a/subjects/blood_types/README.md b/subjects/blood_types/README.md
index bfb8c861..92ef0116 100644
--- a/subjects/blood_types/README.md
+++ b/subjects/blood_types/README.md
@@ -118,4 +118,3 @@ donors of O+ [O+, O-]
 donors of O+ can receive from A- false
 $
 ```
-