Updated -SearchResolveExactEmailOrUPN Description

Added the SharePoint Admin caveat, clarified the valid values.

Author: paulhaskew

sharepoint/sharepoint-ps/sharepoint-online/Set-SPOTenant.md

@@ -247,13 +247,13 @@ Accept wildcard characters: False
 ```
 
 ### -SearchResolveExactEmailOrUPN
-Removes the search capability from People Picker.
+Removes the search capability from People Picker. Note, recently resolved names will still appear in the list until browser cache is cleared or expired.
 
-The valid values are:
-
-Recently resolved names will still appear in the list.
+SharePoint Administrators will still be able to use starts with or partial name matching when enabled.
 
-False- Restores default search functionality.
+The valid values are:
+False (default) - Starts with / partial name search functionality is available.
+True - Disables starts with / partial name search fcuntionality for all SharePoint users, except SharePoint Admins.
 
 ```yaml
 Type: Boolean