temporary removal of feature

Author: mrbullwinkle

articles/azure-monitor/app/pricing.md

@@ -145,7 +145,7 @@ In each retained record, `itemCount` indicates the number of original records th
 ## Change the data retention period
 
 > [!NOTE]
-> We've temporarily removed this feature while we address a possible issue.  We'll have it back within by mid-September.
+> We've temporarily removed this feature while we address a possible issue.  We'll have it back by mid-September 2019.
 
 The default retention for Application Insights resources is 90 days. Different retention periods can be selected for each Application Insights resource. The full set of available retention periods is 30, 60, 90, 120, 180, 270, 365, 550 or 730 days.