diff --git a/docs/OrderValidator.md b/docs/OrderValidator.md
index d7627d6f2..43518b574 100644
--- a/docs/OrderValidator.md
+++ b/docs/OrderValidator.md
@@ -4,27 +4,33 @@ The SeaportValidator contract offers various validation methods to ensure that s
See below for the full list of Errors and Warnings.
-The contract has been verified and deployed to the following addresses:
+The contract is deployed to the following addresses:
Contract |
Canonical Cross-chain Deployment Address |
+SeaportValidator |
+0x00e5F120f500006757E984F1DED400fc00370000 |
+
-SeaportValidator 1.1 |
+SeaportValidator 1.1 (legacy) |
0xF75194740067D6E4000000003b350688DD770000 |
-SeaportValidator 1.4 |
+SeaportValidator 1.4 (legacy) |
0x00000000BE3Af6882A06323fd3f400A9e6A0DC42 |
-SeaportValidator 1.5 |
+SeaportValidator 1.5 (legacy) |
0x000000000DD1F1B245b936b2771408555CF8B8af |
-Special thanks to [arr00](https://github.com/arr00), who deployed an earlier version of a SeaportValidator contract which can be found [here](https://etherscan.io/address/0xF75194740067D6E4000000003b350688DD770000#code).
+Special thanks to:
+- [arr00](https://github.com/arr00), who deployed an earlier version of a SeaportValidator contract which can be found [here](https://etherscan.io/address/0xF75194740067D6E4000000003b350688DD770000#code)
+- [stephankmin](https://github.com/stephankmin), who extended the SeaportValidator contract to support more errors/warnings and arbitary Seaport instances with compatible versions
+- [horsefacts](https://github.com/horsefacts), who implemented support for a ready-only version of the helper contract
## Errors and Warnings
| Code | Issue |
@@ -95,4 +101,4 @@ Special thanks to [arr00](https://github.com/arr00), who deployed an earlier ver
| 1401 | Zone not set. Order unfulfillable |
| 1500 | Merkle input only has one leaf |
| 1501 | Merkle input not sorted correctly |
-| 1600 | Contract offerer is invalid |
\ No newline at end of file
+| 1600 | Contract offerer is invalid |