few renames

api/kiwi_vpn_api/routers/device.py

@@ -90,19 +90,19 @@ async def remove_device(
     },
     response_model=DeviceRead,
 )
-async def request_certificate(
+async def request_certificate_issuance(
     current_user: User = Depends(get_current_user),
     device: Device = Depends(get_device_by_id),
 ) -> Device:
     """
-    POST ./{device_id}/issue: Request certificate for a device.
+    POST ./{device_id}/issue: Request certificate issuance for a device.
     """
 
     # check permission
     if not current_user.can_edit(device):
         raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
 
-    # cannot request for a newly created device
+    # can only request for a newly created device
     if device.approved is not None:
         raise HTTPException(status_code=status.HTTP_409_CONFLICT)