src/goInstallTools: bugfix for grammar

n/a

Change-Id: I4d023665ab5db65ab28f2ced48f9a2b396fffdcd
GitHub-Last-Rev: eac66243ab9c3520e537d99a4c28ed59904584fb
GitHub-Pull-Request: golang/vscode-go#1784
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/350731
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Trust: Hyang-Ah Hana Kim <hyangah@gmail.com>
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
diff --git a/src/goInstallTools.ts b/src/goInstallTools.ts
index b8b8071..6bd0dda 100644
--- a/src/goInstallTools.ts
+++ b/src/goInstallTools.ts
@@ -182,7 +182,7 @@
 	// Report detailed information about any failures.
 	outputChannel.appendLine(''); // blank line for spacing
 	if (failures.length === 0) {
-		outputChannel.appendLine('All tools successfully installed. You are ready to Go :).');
+		outputChannel.appendLine('All tools successfully installed. You are ready to Go. :)');
 	} else {
 		// Show the output channel on failures, even if the installation should
 		// be silent.