Revise update schedule information in README

Removed note about the update schedule and added it to the Notes section.

Author: lramosvea

README.md

@@ -7,8 +7,6 @@ Integrate the [Microsoft Graph API](https://graph.microsoft.com) into your .NET
 
 The Microsoft Graph .NET Client Library targets .NetStandard 2.0.
 
-**Note**: This client library is scheduled to be updated during the week of the second and fourth Tuesday of each month.
-
 ## Installation via NuGet
 
 To install the client library via NuGet:
@@ -94,6 +92,10 @@ The following sample applications are also available:
 
 ## Notes
 
+### Update Schedule
+
+The Microsoft Graph .NET Client Library is scheduled to be updated during the week of the second and fourth Tuesday of each month
+
 ### Upgrading from v1
 
 Between 1.x and 3.x there were some minor possibly breaking changes: