diff --git a/README.md b/README.md
index e7b6093..951864c 100644
--- a/README.md
+++ b/README.md
@@ -4,5 +4,3 @@ This file file serves as your book's preface, a great place to describe your boo
 
 Go to the [first chapter](/chapter1.md)
 
-Go to the [summary](/SUMMARY.md)
-
diff --git a/SUMMARY.md b/SUMMARY.md
index 84616cd..6928743 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,3 +1,8 @@
 # Summary
 
 * [First Chapter](chapter1.md)
+* Second Chapter
+  * Sub Topic
+
+
+