diff --git a/docs/brainstorm.md b/docs/brainstorm.md
index 4534608..77e25f7 100644
--- a/docs/brainstorm.md
+++ b/docs/brainstorm.md
@@ -4,8 +4,9 @@ we've decided to make an turn based online game named : **Border Wars**
 
 ## Building list
 
-- Castle
-- Casern
+- Castle </br>
+    The main building of your army.
+- Casern </br> aaa
 - Tower
 - Wall
 - Outpost
@@ -28,6 +29,8 @@ the overall theme will be fairytale medieval.
 
 ## Different troop 
 
+- 
+
 ## Balancing
 
 In the future, we'll have to make sure that each troop is both different and balanced. 
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