second incorrect substring

Author: smwhr

package.json

@@ -1,6 +1,6 @@
 {
   "name": "inkjs",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A javascript port of inkle's ink scripting language (http://www.inklestudios.com/ink/)",
   "main": "dist/ink-full.js",
   "types": "ink.d.ts",

src/engine/StoryState.ts

@@ -827,7 +827,10 @@ export class StoryState {
       if (tailLastNewlineIdx < str.length - 1) {
         let numSpaces = str.length - tailLastNewlineIdx - 1;
         let trailingSpaces = new StringValue(
-          str.substring(tailLastNewlineIdx + 1, numSpaces)
+          str.substring(
+            tailLastNewlineIdx + 1,
+            tailLastNewlineIdx + 1 + numSpaces
+          )
         );
         listTexts.push(trailingSpaces);
       }