diff --git a/specs/src/specs/state_machine_modules.md b/specs/src/specs/state_machine_modules.md
index efa3a7b6ee..6407eb92e6 100644
--- a/specs/src/specs/state_machine_modules.md
+++ b/specs/src/specs/state_machine_modules.md
@@ -24,8 +24,9 @@ Celestia app is built using the cosmos-sdk, and follows standard cosmos-sdk modu
 - [feegrant](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/feegrant/spec/README.md)
 - [genutil](https://github.com/celestiaorg/cosmos-sdk/tree/v1.14.0-sdk-v0.46.11/x/genutil) (no spec)
 - [gov](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/gov/spec/README.md)
-- [params](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/params/spec/README.md)
 - [ibc](https://github.com/cosmos/ibc/blob/f990a7f96eb7753c2fabbd49ed50b64d3a807629/README.md)
+- [pacletforward](https://github.com/cosmos/ibc-apps/blob/main/middleware/packet-forward-middleware/README.md)
+- [params](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/params/spec/README.md)
 - [slashing](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/slashing/spec/README.md)
 - [staking](https://github.com/celestiaorg/cosmos-sdk/blob/v1.14.0-sdk-v0.46.11/x/staking/spec/README.md)
 - [transfer](https://github.com/cosmos/ibc/blob/f990a7f96eb7753c2fabbd49ed50b64d3a807629/spec/app/ics-020-fungible-token-transfer/README.md)