diff --git a/prequeue.py b/prequeue.py
index c9a9a8bcc..ec6cd9e39 100644
--- a/prequeue.py
+++ b/prequeue.py
@@ -1,8 +1,9 @@
 # coding: utf-8
-
-# Starting a new python process to preprocess each source file
-# creates too much overhead. Instead, a list of files to preprocess
-# is fed into a script run from a single process.
+"""
+Starting a new python process to preprocess each source file creates too much
+overhead. Instead, a list of files to preprocess is fed into a script run from
+a single process.
+"""
 
 import os
 import sys