diff --git a/docs/actions.md b/docs/actions.md
index 76560ec..59ec2c5 100644
--- a/docs/actions.md
+++ b/docs/actions.md
@@ -29,8 +29,8 @@ this tile can :
 - be upgraded to do more damage
 
 ## Wall
-this tile can :
-- be destroyed.
+This tile cannot be destroyed.
+Its job is to protect the castle.
 
 ## Outpost
 this tile can :