diff --git a/Project Details/Mandatory_features.md b/Project Details/Mandatory_features.md
index 5fd38d5..09a5cde 100644
--- a/Project Details/Mandatory_features.md	
+++ b/Project Details/Mandatory_features.md	
@@ -7,4 +7,4 @@ The user must be able to indicate he or she has acted contributingly towards her
 * Lowering the temperature of your home
 * Installing solar panels
 
-The score should be expressed in the amount of CO2 you save, and should be shared/compared with your friends. The user should also receive badges or achievements etc. for achieving certain scores. Bonus features are do add additional points to the grade.
+The score should be expressed in the amount of CO2 you save, and should be shared/compared with your friends. The user should also receive badges or achievements etc. for achieving certain scores. Bonus features **do** add additional points to the grade.