diff --git a/SUMMARY.md b/SUMMARY.md
index b2d89c0..56fbb0a 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,8 +1,8 @@
 # Summary
 
 * [First Chapter](chapter1.md)
-* [Second Chapter](/chapter1.md)
-  * [Sub Topic](/chapter1.md)
+* Main Topic
+  * [Sub Topic](/chapter2.md)