diff --git a/03 Writing Algorithms/18 Consolidating Data/02 Consolidator Types/02 Calendar Consolidators/99 Examples.html b/03 Writing Algorithms/18 Consolidating Data/02 Consolidator Types/02 Calendar Consolidators/99 Examples.html
index 90e136d851..74eb0bf71d 100644
--- a/03 Writing Algorithms/18 Consolidating Data/02 Consolidator Types/02 Calendar Consolidators/99 Examples.html	
+++ b/03 Writing Algorithms/18 Consolidating Data/02 Consolidator Types/02 Calendar Consolidators/99 Examples.html	
@@ -247,9 +247,9 @@ <h4>Example 2: Consolidate data in daily <code>QuoteBar</code> objects that star
         # Forex market opens at 5pm EST.
         start = dt.replace(hour=0, minute=0, second=0, microsecond=0)
         if dt.hour &lt; 17:
-            start -= timedelta(7)
+            start -= timedelta(hours=7)
         else:
-            start += timedelta(17)
+            start += timedelta(hours=17)
         # Ends at 5pm EST next day.
         return CalendarInfo(start, timedelta(1))