diff --git a/SUMMARY.md b/SUMMARY.md
index d2b662d..eeebb40 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,4 +1,6 @@
 # Summary
 
-* [Intro to HTML](/html.md)
-* [CSS Basics](/css.md)
+* Intro to HTML
+    * [Lesson](/html/lesson.md)
+* CSS Basics    
+    * [Lesson](/css/lesson.md)
diff --git a/css.md b/css/lesson.md
similarity index 100%
rename from css.md
rename to css/lesson.md
diff --git a/html.md b/html/lesson.md
similarity index 100%
rename from html.md
rename to html/lesson.md