Update microsoft-365-copilot-file-upload-control.md

Adding details on release and functionality.

Author: davidedwards365

copilot/microsoft-365-copilot-file-upload-control.md

@@ -28,7 +28,7 @@ File upload is enabled by default in both Microsoft 365 Copilot and Microsoft 36
 To manage the file upload feature so it aligns with organizational policies, user preferences, and security considerations, an admin control is available. This control allows admins to determine whether users can upload local files or attach cloud files when using Copilot or Copilot Chat. 
 
 > [!NOTE]
-> The file upload control will be available in July 2025.
+> The file upload control will be available in mid-July 2025. Once implemented, it may take up to 24 hours for the changes to be reflected for end users.
 
 ## IT admin file upload control