diff --git a/t13_mode1.py b/t13_mode1.py
index 62cae51..d343e40 100644
--- a/t13_mode1.py
+++ b/t13_mode1.py
@@ -7,3 +7,5 @@
 
 # the above only works if there is only 1 mode
 # what if there is more than 1 mode?
+
+Use either median or mean, if there is more than one mode.