diff --git a/docs/source/Howtos/Beginner-Tutorial/Part3/Beginner-Tutorial-Characters.md b/docs/source/Howtos/Beginner-Tutorial/Part3/Beginner-Tutorial-Characters.md
index f24bc07ec6..28c4624ef8 100644
--- a/docs/source/Howtos/Beginner-Tutorial/Part3/Beginner-Tutorial-Characters.md
+++ b/docs/source/Howtos/Beginner-Tutorial/Part3/Beginner-Tutorial-Characters.md
@@ -113,7 +113,7 @@ class LivingMixin:
         healed = min(damage, hp) 
         self.hp += healed 
         
-        self.msg("You heal for {healed} HP.") 
+        self.msg(f"You heal for {healed} HP.") 
         
     def at_pay(self, amount):
         """When paying coins, make sure to never detract more than we have"""