Update docstring

gso/workflows/l3_core_service/migrate_l3_core_service.py

@@ -104,7 +104,7 @@ def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
 
 @step("Inject Partner Name")
 def inject_partner_name(subscription: L3CoreService) -> LSOState:
-    """Resolve and inject partner_name into the state."""
+    """Resolve and inject partner name into the state."""
     partner_name = get_partner_by_id(subscription.customer_id).name
 
     return {"partner_name": partner_name}