How can i change section "Documents" for a new DocType?

I have created a new DocType and it is showing Under “Documents” section inside my module. How can i change that section name to my own ???

i’m attaching the SS here for the same

in the module there is config file
follow this pattern in erpnext for Crm for example

but put the code in your Custom app not erpnext app , you will find a config file therre