From 502640c16539397af8af978a2f9f861aa135d283 Mon Sep 17 00:00:00 2001
From: Otthorn <otthorn@crans.org>
Date: Wed, 14 Apr 2021 19:21:40 +0200
Subject: [PATCH] :memo: Update  documentation

---
 lib.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib.py b/lib.py
index b6107f9..091006a 100644
--- a/lib.py
+++ b/lib.py
@@ -68,7 +68,8 @@ def get_serial(dns_zone):
     """
     Query the serial number from the NS
 
-    dns_zone can either be a str or a dns.zone.Zone obj
+    The parameter `dns_zone` can either be a `str` or a `dns.zone.Zone` object.
+    Error handling is added to return 0 if the query is unsucessful.
     """
 
     try: