diff --git a/toc.org b/toc.org
index 6001773..fb9fdab 100644
--- a/toc.org
+++ b/toc.org
@@ -31,4 +31,4 @@
 #+attr_html: :class contents-overview
 - [[./_subsections/lesson-01.org][Lesson 01 | Course Overview + The Shell]]
 - [[./_subsections/lesson-02.org][Lesson 02 | Shell Tools and Scripting]]
-
+- [[./_subsections/lesson-03.org][Lesson 03 | Editors (vim)]]