Fix typo in comment.

amanda-mitchell · web-flow · commit f15640f551ac · 2017-02-09T14:00:53.000-08:00
diff --git a/lib/JsonpMainTemplatePlugin.js b/lib/JsonpMainTemplatePlugin.js
@@ -86,7 +86,7 @@ JsonpMainTemplatePlugin.prototype.apply = function(mainTemplate) {
 				"return Promise.resolve();"
 			]),
 			"",
-			"// an Promise means \"currently loading\".",
+			"// a Promise means \"currently loading\".",
 			"if(installedChunks[chunkId]) {",
 			this.indent([
 				"return installedChunks[chunkId][2];"
