diff --git a/docs/build-on-morph/build-on-morph/4-understand-transaction-cost-on-morph.md b/docs/build-on-morph/build-on-morph/4-understand-transaction-cost-on-morph.md
index cbb59103..dd2e3fcc 100644
--- a/docs/build-on-morph/build-on-morph/4-understand-transaction-cost-on-morph.md
+++ b/docs/build-on-morph/build-on-morph/4-understand-transaction-cost-on-morph.md
@@ -96,7 +96,7 @@ As a result, you should display the sum of both of these fees to give users the
 
 You can estimate the L2 execution fee by multiplying the gas price by the gas limit, just like on Ethereum.
 
-#### [Estimating the L1 data fee](./understand-transaction-cost-on-morph#the-l1-data-fee)
+#### [Estimating the L1 data fee](https://docs.morphl2.io/docs/build-on-morph/build-on-morph/understand-transaction-cost-on-morph/)
 
 
 
@@ -136,4 +136,4 @@ See the section on [Responding to gas price updates](#responding-to-gas-price-up
 
 This is a custom RPC error that Morph returns when a transaction is rejected because the gas price is too high.
 We include this as a safety measure to prevent users from accidentally sending a transaction with an extremely high L2 gas price.
-See the section on [Responding to gas price updates](#responding-to-gas-price-updates) for more information.
\ No newline at end of file
+See the section on [Responding to gas price updates](#responding-to-gas-price-updates) for more information.