diff --git a/docs/versioned_docs/version-v7.8.x/03-light-clients/03-localhost/03-client-state.md b/docs/versioned_docs/version-v7.8.x/03-light-clients/03-localhost/03-client-state.md
index d7d6d412b12..035d9c8142e 100644
--- a/docs/versioned_docs/version-v7.8.x/03-light-clients/03-localhost/03-client-state.md
+++ b/docs/versioned_docs/version-v7.8.x/03-light-clients/03-localhost/03-client-state.md
@@ -33,6 +33,7 @@ It is possible to disable the localhost client by removing the `09-localhost` en
 
 The latest height is updated periodically through the ABCI [`BeginBlock`](https://docs.cosmos.network/v0.47/building-modules/beginblock-endblock) interface of the 02-client submodule in core IBC.
 
+[See `BeginBlocker` in abci.go.](https://github.com/cosmos/ibc-go/blob/v7.8.0/modules/core/02-client/abci.go#L12)
 ```go
 func BeginBlocker(ctx sdk.Context, k keeper.Keeper) {
   // ...