docs: doctring for patch
diff --git a/erpnext/patches/v13_0/germany_make_custom_fields.py b/erpnext/patches/v13_0/germany_make_custom_fields.py
index cf1fe21..41ab945 100644
--- a/erpnext/patches/v13_0/germany_make_custom_fields.py
+++ b/erpnext/patches/v13_0/germany_make_custom_fields.py
@@ -6,7 +6,13 @@
import frappe
from erpnext.regional.germany.setup import make_custom_fields
+
def execute():
+ """Execute the make_custom_fields method for german companies.
+
+ It is usually run once at setup of a new company. Since it's new, run it
+ once for existing companies as well.
+ """
company_list = frappe.get_all('Company', filters = {'country': 'Germany'})
if not company_list:
return