Update windows.applicationmodel/appinfo_current.md

Author: alvinashcraft

windows.applicationmodel/appinfo_current.md

@@ -16,7 +16,8 @@ Retrieves the AppInfo object corresponding to the currently running process.
 The AppInfo that corresponds to the process.
 
 ## -remarks
-When used by an unpackaged application, accessing this property throws HRESULT 80073D54.
+When used by an unpackaged application, accessing this property throws an **InvalidOperationException** with HRESULT `80073D54`, indicating "The process has no package identity."
+
 
 ## -see-also