From 565eaf58c8b62820695dd26ce6ccd3eefce8cb4a Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Sun, 9 Apr 2017 14:14:27 +0100
Subject: [PATCH] Make error message more useful

---
 md_pdf/csl.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/md_pdf/csl.py b/md_pdf/csl.py
index 6186d2c..bd8f08e 100644
--- a/md_pdf/csl.py
+++ b/md_pdf/csl.py
@@ -17,7 +17,7 @@ CSL_TEMP_DIR = os.path.join(ASSET_DIR, 'styles-master')
 
 def check_csl():
     if not os.path.isdir(CSL_DIR) or os.listdir(CSL_DIR) == []:
-        raise PrematureExit("No CSL files found!")
+        raise PrematureExit("No CSL files found! Run again with --update-csl")
 
 
 def download_csl():