Updated rated by msg for single reviewer Fixes #39651

src/vs/workbench/parts/extensions/browser/extensionsWidgets.ts

@@ -143,7 +143,7 @@ export class RatingsWidget implements IDisposable {
 
 			const count = append(this.container, $('span.count'));
 			count.textContent = String(rating);
-			this.container.title = localize('ratedByUsers', "Rated by {0} users", this.extension.ratingCount);
+			this.container.title = this.extension.ratingCount > 1 ? localize('ratedByUsers', "Rated by {0} users", this.extension.ratingCount) : localize('ratedBySingleUser', "Rated by 1 user");
 		} else {
 			for (let i = 1; i <= 5; i++) {
 				if (rating >= i) {