diff --git a/README.md b/README.md
index 4850edf..f4c83da 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ import { CourseId } from "./CourseId";
 import { CourseTitle } from "./CourseTitle";
 
 export class Course {
-  constructor(readonly courseId: CourseId, readonly courseTitle: CourseTitle) {}
+  constructor(public courseId: CourseId, public courseTitle: CourseTitle) {}
 
   updateTitle(newCourseTitle: CourseTitle): void {
     this.courseTitle = newCourseTitle;
@@ -65,7 +65,7 @@ import { CourseId } from "./CourseId";
 import { CourseTitle } from "./CourseTitle";
 
 export class Course {
-  constructor(readonly courseId: CourseId, readonly courseTitle: CourseTitle) {}
+  constructor(public courseId: CourseId, public courseTitle: CourseTitle) {}
 
   updateTitle(newCourseTitle: CourseTitle): void {
     this.courseTitle = newCourseTitle;