diff --git a/doctests/dt_hll.py b/doctests/dt_hll.py
index aedf8540fa..4d57fac610 100644
--- a/doctests/dt_hll.py
+++ b/doctests/dt_hll.py
@@ -1,3 +1,4 @@
+# # EXAMPLE: hll_tutorial
 import redis
 
 # HIDE_START