From de48bcfe249bfb5ade3b28f9aca716e26ae88c33 Mon Sep 17 00:00:00 2001
From: Jamie Hardt <jamiehardt@me.com>
Date: Fri, 24 Dec 2021 12:46:44 -0800
Subject: [PATCH] Added comment

---
 ptulsconv/pdf/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ptulsconv/pdf/__init__.py b/ptulsconv/pdf/__init__.py
index cb3aea3..3cd319c 100644
--- a/ptulsconv/pdf/__init__.py
+++ b/ptulsconv/pdf/__init__.py
@@ -94,6 +94,9 @@ def make_doc_template(page_size, filename, document_title,
 
 
 def time_format(mins, zero_str="-"):
+    """
+    Formats a duration `mins` into a string
+    """
     if mins == 0. and zero_str is not None:
         return zero_str
     elif mins < 60.: