diff --git a/util/proto/marshal.go b/util/proto/marshal.go
index c4f3a78..b3e6275 100644
--- a/util/proto/marshal.go
+++ b/util/proto/marshal.go
@@ -15,7 +15,7 @@ import (
 )
 
 type (
-	stableMarshaller interface {
+	stableMarshaler interface {
 		StableMarshal([]byte) []byte
 		StableSize() int
 	}
@@ -250,7 +250,7 @@ func VarUIntSize(x uint64) int {
 }
 
 type ptrStableMarshaler[T any] interface {
-	stableMarshaller
+	stableMarshaler
 	~*T
 }
 
@@ -262,7 +262,7 @@ func NestedStructureMarshal[T any, M ptrStableMarshaler[T]](field int64, buf []b
 	return NestedStructureMarshalUnchecked(field, buf, v)
 }
 
-func NestedStructureMarshalUnchecked[T stableMarshaller](field int64, buf []byte, v T) int {
+func NestedStructureMarshalUnchecked[T stableMarshaler](field int64, buf []byte, v T) int {
 	n := v.StableSize()
 	prefix := protowire.EncodeTag(protowire.Number(field), protowire.BytesType)
 	offset := binary.PutUvarint(buf, prefix)
@@ -280,7 +280,7 @@ func NestedStructureSize[T any, M ptrStableMarshaler[T]](field int64, v M) (size
 	return NestedStructureSizeUnchecked(field, v)
 }
 
-func NestedStructureSizeUnchecked[T stableMarshaller](field int64, v T) int {
+func NestedStructureSizeUnchecked[T stableMarshaler](field int64, v T) int {
 	n := v.StableSize()
 	return protowire.SizeGroup(protowire.Number(field), protowire.SizeBytes(n))
 }