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

@@ -47,7 +47,7 @@ $$
 \texttt{gasLimit} \cdot \texttt{gasPrice}
 $$
 
-and success is guaranteed if $\texttt{gasLimit}$ is greater than $\texttt{gasUsed}$, the gas used is determined by the gas cost for data availability plus the gas cost for transaction execution in the L2.
+and success is guaranteed if $\texttt{gasLimit}$ is greater than $\texttt{gasUsed}$, the gas used is determined by the gas cost for data availability plus the gas cost for transaction execution in L2.
 
 That is,