diff --git a/pages/stack/transactions/fees.mdx b/pages/stack/transactions/fees.mdx
index 88d8f041..b76e1c16 100644
--- a/pages/stack/transactions/fees.mdx
+++ b/pages/stack/transactions/fees.mdx
@@ -161,7 +161,7 @@ gas price multiplier.
 weighted_gas_price = 16*base_fee_scalar*base_fee + blob_base_fee_scalar*blob_base_fee
 ```
 
-The l1 data fee is then:
+The L1 data fee is then:
 
 ```python
 l1_data_fee = tx_compressed_size * weighted_gas_price