Update README.md

Author: supnate

README.md

@@ -360,6 +360,7 @@ For every modal implementation we always need to these binding manually. So, to
 ```jsx
 import NiceModal, {
   muiDialog,
+  muiDialogV5,
   antdModal,
   antdModalV5,
   antdDrawer,
@@ -372,6 +373,9 @@ const modal = useModal();
 // For MUI
 <Dialog {...muiDialog(modal)}>
 
+// For MUI V5
+<Dialog {...muiDialogV5(modal)}>
+
 // For ant.design
 <Modal {...antdModal(modal)}>