diff --git a/utils/structs/matrix.go b/utils/structs/matrix.go
index 50811fcc..e5b9ad7a 100644
--- a/utils/structs/matrix.go
+++ b/utils/structs/matrix.go
@@ -9,7 +9,7 @@ import (
 	"github.com/tuneinsight/lattigo/v4/utils/buffer"
 )
 
-// Vector is a struct wrapping a doube slice of components of type T.
+// Matrix is a struct wrapping a doube slice of components of type T.
 // T can be:
 //   - uint, uint64, uint32, uint16, uint8/byte, int, int64, int32, int16, int8, float64, float32.
 //   - Or any object that implements CopyNewer, CopyNewer, BinarySizer, io.WriterTo or io.ReaderFrom