diff --git a/Lib/hotshot/log.py b/Lib/hotshot/log.py
index 5c01996ebdc..7d6d91d447d 100644
--- a/Lib/hotshot/log.py
+++ b/Lib/hotshot/log.py
@@ -95,6 +95,7 @@ class LogReader:
 
     def next(self, index=0):
         while 1:
+            # This call may raise StopIteration:
             what, tdelta, fileno, lineno = self._nextitem()
 
             # handle the most common cases first