diff --git a/src/lib.cairo b/src/lib.cairo
index 1f94d45..bba0bd6 100644
--- a/src/lib.cairo
+++ b/src/lib.cairo
@@ -8,7 +8,7 @@ trait IHelloStarknet<TContractState> {
 mod HelloStarknet {
     #[storage]
     struct Storage {
-        balance: felt252, 
+        balance: felt252,
     }
 
     #[abi(embed_v0)]