diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
index 2d7472b63..496029156 100644
--- a/book/src/SUMMARY.md
+++ b/book/src/SUMMARY.md
@@ -1,6 +1,7 @@
 # Summary
 
-- [Introduction](./introduction.md)
+[Introduction](./introduction.md)
+
 - [Working with table collections](./working_with_table_collections.md)
   - [Creation](./table_collection_creation.md)
   - [Adding rows](./table_collection_adding_rows.md)