Update specs/TryUpdateRuntime.md

Co-authored-by: David Risney <dave@deletethis.net>

Author: LiangTheDev

specs/TryUpdateRuntime.md

@@ -165,7 +165,7 @@ interface ICoreWebView2ExperimentalTryUpdateRuntimeCompletedHandler : IUnknown {
 /// implement ICoreWebView2Environment.
 [uuid(9A2BE885-7F0B-4B26-B6DD-C969BAA00BF1), object, pointer_default(unique)]
 interface ICoreWebView2ExperimentalEnvironment3 : IUnknown {
-  /// Try to update installed Microsoft Edge WebView2 Runtime.
+  /// Try to update the installed Microsoft Edge WebView2 Runtime.
   /// This will potentially result in a new version of the Edge Webview2
   /// Runtime being installed and `NewBrowserVersionAvailable` event being fired.
   /// There is no guarantee on the order of that event being fired and