Merge pull request #9060 from jsgoupil/patch-2

typo

Author: ktoliver

articles/azure-functions/functions-bindings-timer.md

@@ -273,7 +273,7 @@ If you share a Storage account across multiple function apps, make sure that eac
 
 ## Retry behavior
 
-Unlike the queue trigger, the timer trigger doesn't retry after a function fails. When a function fails, it is't called again until the next time on the schedule.
+Unlike the queue trigger, the timer trigger doesn't retry after a function fails. When a function fails, it isn't called again until the next time on the schedule.
 
 ## Next steps