diff --git a/api/api_full.go b/api/api_full.go
index ddce41459..ce010b0c7 100644
--- a/api/api_full.go
+++ b/api/api_full.go
@@ -586,7 +586,7 @@ type FullNode interface {
 	StateVMCirculatingSupplyInternal(context.Context, types.TipSetKey) (CirculatingSupply, error) //perm:read
 	// StateNetworkVersion returns the network version at the given tipset
 	StateNetworkVersion(context.Context, types.TipSetKey) (apitypes.NetworkVersion, error) //perm:read
-	// StateActorCids returns the CIDs of all the builtin actors for the given network version
+	// StateActorCodeCIDs returns the CIDs of all the builtin actors for the given network version
 	StateActorCodeCIDs(context.Context, abinetwork.Version) (map[string]cid.Cid, error) //perm:read
 
 	// StateGetRandomnessFromTickets is used to sample the chain for randomness.
diff --git a/api/v0api/full.go b/api/v0api/full.go
index 516823934..c9b156b71 100644
--- a/api/v0api/full.go
+++ b/api/v0api/full.go
@@ -605,7 +605,7 @@ type FullNode interface {
 	StateVMCirculatingSupplyInternal(context.Context, types.TipSetKey) (api.CirculatingSupply, error) //perm:read
 	// StateNetworkVersion returns the network version at the given tipset
 	StateNetworkVersion(context.Context, types.TipSetKey) (apitypes.NetworkVersion, error) //perm:read
-	// StateActorCids returns the CIDs of all the builtin actors for the given network version
+	// StateActorCodeCIDs returns the CIDs of all the builtin actors for the given network version
 	StateActorCodeCIDs(context.Context, abinetwork.Version) (map[string]cid.Cid, error) //perm:read
 
 	// StateGetRandomnessFromTickets is used to sample the chain for randomness.
diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index 163f7bf71..11fdcfb92 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/documentation/en/api-v0-methods.md b/documentation/en/api-v0-methods.md
index 0781ab195..652bf3c47 100644
--- a/documentation/en/api-v0-methods.md
+++ b/documentation/en/api-v0-methods.md
@@ -4641,7 +4641,7 @@ Inputs:
 Response: `"f01234"`
 
 ### StateActorCodeCIDs
-StateActorCids returns the CIDs of all the builtin actors for the given network version
+StateActorCodeCIDs returns the CIDs of all the builtin actors for the given network version
 
 
 Perms: read
diff --git a/documentation/en/api-v1-unstable-methods.md b/documentation/en/api-v1-unstable-methods.md
index aa409a7c8..9d8938f81 100644
--- a/documentation/en/api-v1-unstable-methods.md
+++ b/documentation/en/api-v1-unstable-methods.md
@@ -5051,7 +5051,7 @@ Inputs:
 Response: `"f01234"`
 
 ### StateActorCodeCIDs
-StateActorCids returns the CIDs of all the builtin actors for the given network version
+StateActorCodeCIDs returns the CIDs of all the builtin actors for the given network version
 
 
 Perms: read
diff --git a/node/impl/full/state.go b/node/impl/full/state.go
index 9f400da80..bc264712c 100644
--- a/node/impl/full/state.go
+++ b/node/impl/full/state.go
@@ -1475,7 +1475,7 @@ func (a *StateAPI) StateActorCodeCIDs(ctx context.Context, nv network.Version) (
 		return nil, xerrors.Errorf("cannot get manifest CID")
 	}
 
-	cids["manifest"] = manifestCid
+	cids["_manifest"] = manifestCid
 
 	var actorKeys = actors.GetBuiltinActorsKeys()
 	for _, name := range actorKeys {