diff --git a/solidity/saving_gas.md b/solidity/saving_gas.md
index 7448ef0..96bcd6c 100644
--- a/solidity/saving_gas.md
+++ b/solidity/saving_gas.md
@@ -3,8 +3,9 @@
 
 <br>
 
+#### Gas is the cost to for on-chain computation and storage.
 
-
+<br>
 
 ---