diff --git a/simapp/app_legacy.go b/simapp/app_legacy.go
index a093e32224..4443d13d2c 100644
--- a/simapp/app_legacy.go
+++ b/simapp/app_legacy.go
@@ -298,7 +298,10 @@ func NewSimApp(
 	*/
 	app.GroupKeeper = groupkeeper.NewKeeper(keys[group.StoreKey], appCodec, app.MsgServiceRouter(), app.AccountKeeper, groupConfig)
 
-	// register the proposal types
+	// Register the proposal types
+	// Deprecated: Avoid adding new handlers, instead use the new proposal flow
+	// by granting the governance module the right to execute the message.
+	// See: https://github.com/cosmos/cosmos-sdk/blob/release/v0.46.x/x/gov/spec/01_concepts.md#proposal-messages
 	govRouter := govv1beta1.NewRouter()
 	govRouter.AddRoute(govtypes.RouterKey, govv1beta1.ProposalHandler).
 		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper)).