diff --git a/pomodoro_to_harvest.py b/pomodoro_to_harvest.py
index 75dace2..dbd8309 100644
--- a/pomodoro_to_harvest.py
+++ b/pomodoro_to_harvest.py
@@ -20,6 +20,8 @@ timelog['description'] = (np.where(timelog['description'].str.contains(': '), ti
 
 # If a multiplier has been provided (an asterisk and an integer at the end of a
 # task), then multiply the time by it and remove it from the description.
+# Note that contains is regex by default, so we actually have to specify pattern
+# and regex false to check if it contains an asterisk!
 timelog['tmp_multiplier'] = (np.where(timelog['description'].str.contains(pat='*', regex=False), timelog['description'].str.split('*', 1).str[1], None))
 timelog['description'] = (np.where(timelog['description'].str.contains(pat='*', regex=False), timelog['description'].str.split('*', 1).str[0], timelog['description']))