fix typo and update telemetry for content exclusion case

Author: spebl

Extension/src/LanguageServer/extension.ts

@@ -1433,10 +1433,9 @@ async function onCopilotHover(): Promise<void> {
     for (const file of requestInfo.files) {
         const fileUri = vscode.Uri.file(file);
         if (await vscodelm.fileIsIgnored(fileUri, copilotHoverProvider.getCurrentHoverCancellationToken() ?? CancellationToken.None)) {
-            // Context is not available for this file.
-            telemetry.logLanguageServerEvent("CopilotHover", { "Message": "Copilot summary is not available for definition or declaration." });
+            telemetry.logLanguageServerEvent("CopilotHover", { "Message": "Copilot summary is not available due to content exclusion." });
             await showCopilotContent(copilotHoverProvider, hoverDocument, hoverPosition, localize("copilot.hover.unavailable", "Copilot summary is not available.") + "\n\n" +
-                localize("copilot.hover.excluded", "The file containing this symbol's defintion or declaration has been excluded from use with Copilot."));
+                localize("copilot.hover.excluded", "The file containing this symbol's definition or declaration has been excluded from use with Copilot."));
             return;
         }
     }