diff -r 57b50abe2b24 -r 7731a2281cf0 tests/test-ancestor.py
--- a/tests/test-ancestor.py	Sun Apr 13 19:01:00 2014 +0200
+++ b/tests/test-ancestor.py	Sun Apr 13 19:01:00 2014 +0200
@@ -103,7 +103,7 @@
 
 
 # The C gca algorithm requires a real repo. These are textual descriptions of
-# dags that have been known to be problematic.
+# DAGs that have been known to be problematic.
 dagtests = [
     '+2*2*2/*3/2',
     '+3*3/*2*2/*4*4/*4/2*4/2*2',