diff --git a/04.md b/04.md
index 03b2f43..fbc624c 100644
--- a/04.md
+++ b/04.md
@@ -18,7 +18,7 @@ Offline receiving is not possible without compromising privacy.
 ### On-chain footprint
 Submarine swaps don't scale. From sweeping funds to opening a channel, overall process consumes 182 vBytes in a HTLC-based approach and 142 vBytes in a PTLC-based approach:
 
-| Type                         | HTLC output    | HTLC outpoint  | HTLC redeem  | Channel output | Total       |
+| Type                         | Output    | Outpoint  | Redemption  | Channel output | Total       |
 |------------------------------|----------------|----------------|--------------|----------------|-----------  |
 | HTLC-based submarine swaps   | 43 vBytes      | 40 vBytes      | 56 vBytes    | 43 vBytes      | 182 vBytes  |
 | PTLC-based submarine swaps   | 43 vBytes      | 40 vBytes       | 16 vBytes   | 43 vBytes      | 142 vBytes  |