Update docs/zkEVM/architecture/effective-gas/index.md

Co-authored-by: hsutaiyu <51791408+hsutaiyu@users.noreply.github.com>

Author: EmpieichO

docs/zkEVM/architecture/effective-gas/index.md

@@ -6,7 +6,7 @@ Now that the EGP is in place, you can reduce any chance for a transaction revert
 
 ## How gas fees work in Ethereum
 
-In Ethereum, users decide on two parameters:
+In Ethereum, gas fees for a transaction are decided using two adjustable parameters:
 
 - The $\texttt{gasLimit}$, which is the maximum amount of gas units the user is willing to buy, in order for their transactions to be completed.
 - The $\texttt{gasPrice}$, that is, the amount of wei a user is willing to pay for 1 gas unit.