diff --git a/SyncPrim/README.md b/SyncPrim/README.md
index f55fc29..56f3e52 100644
--- a/SyncPrim/README.md
+++ b/SyncPrim/README.md
@@ -7,3 +7,4 @@ This chapter describes synchronization primitives in the Linux kernel.
 * [Semaphores](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-3.html) - this part describes implementation of `semaphore` synchronization primitive in the Linux kernel.
 * [Mutual exclusion](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-4.html) - this part describes - `mutex` in the Linux kernel.
 * [Reader/Writer semaphores](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-5.html) - this part describes special type of semaphores - `reader/writer` semaphores.
+* [Sequential locks](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-6.html) - this part describes sequential locks in the Linux kernel.