Merge PR #4665: Refactor x/gov Module Structure (prep for module spec)

x/params/proposal_handler.go

@@ -7,6 +7,7 @@ import (
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 )
 
+// NewParamChangeProposalHandler creates a new governance Handler for a ParamChangeProposal
 func NewParamChangeProposalHandler(k Keeper) govtypes.Handler {
 	return func(ctx sdk.Context, content govtypes.Content) sdk.Error {
 		switch c := content.(type) {