There are various master which are maintained in tree structure. Click [here](https://erpnext.com/kb/setup/managing-tree-structure-masters) to learn more about tree structured masters in ERPNext.
Following are the steps to be followed for renaming Account/Ledger ID, master which is maintained in tree structure. These steps will be applicable for renaming any master which is maintained in tree structure.
#### Step 1: Go to Chart of Account
`Accounts > Setup > Chart of Accounts`
#### Step 2: Go to Account
Expand Chart of Accounts and click on that account which you want to rename. When you click on that account, you will find Rename option.
On clicking Rename option, dialog box will give you field to enter New Name for this Account. You should enter new name for the Account/Ledger and click on "Rename" button. On clicking Rename button, existing account will be renamed.