diff --git a/Saving-and-processing-transactions.md b/Saving-and-processing-transactions.md
index 6422d2e..2ffdd31 100644
--- a/Saving-and-processing-transactions.md
+++ b/Saving-and-processing-transactions.md
@@ -172,9 +172,14 @@ CoreStore.beginAsynchronous { (transaction) -> Void in
 
 
 ## Contents
+- [[TL;DR (a.k.a. sample codes)]]
 - [[Architecture]]
-- [[Setting up]]
-- [[Saving and processing transactions]]
-- [[Fetching and querying]]
-- [[Logging and error handling]]
-- [[Observing changes and notifications]]
\ No newline at end of file
+- CoreStore Tutorials
+    - [[Setting up]]
+    - [[Migrations]]
+    - [[Saving and processing transactions]]
+    - [[Fetching and querying]]
+    - [[Logging and error handling]]
+    - [[Observing changes and notifications]]
+- [[Installation]]
+- [[Changesets]]
\ No newline at end of file