diff --git a/contracts/main.tlb b/contracts/main.tlb
index 6259e6e..8cd6bb9 100644
--- a/contracts/main.tlb
+++ b/contracts/main.tlb
@@ -1,6 +1,6 @@
 // base types defined in https://github.com/newton-blockchain/ton/blob/master/crypto/block/block.tlb
 
-// storage
+// storage (according to save_data() contract method)
 
 storage#_ owner_address:MsgAddress counter:uint64