diff --git a/tools/line_count/summarize-history.py b/tools/line_count/summarize-history.py
index edaaf65..af87ddb 100755
--- a/tools/line_count/summarize-history.py
+++ b/tools/line_count/summarize-history.py
@@ -7,8 +7,8 @@
   for n in range(int((end - start).days)):
     yield start + datetime.timedelta(n)
 
-start_date = datetime.date(2014, 11, 26)
-end_date = datetime.date(2017, 3, 26)
+start_date = datetime.date(2017, 3, 26)
+end_date = datetime.date(2017, 3, 29)
 
 for dt in daterange(start_date, end_date):
   dmy = dt.strftime('%Y-%m-%d')