How to rename objects in my storage

Hallo I need to rename some numbers in colum I drowned. This are objects of my storage and objects of offers I make.
This is code (number of code when i write new object)

Hello Valia,

This page shows a clear method to rename your documents.

If you don’t have the option to rename your document you’ll have to customize the doctype to allow rename option. See here: DocType Features

Go to the Article doctype and scroll down to the Form Settings section.
You can also enable Allow Rename to allow renaming of documents.