update the toc

Author: 2color

docs/concepts/lifecycle.md

@@ -5,7 +5,7 @@ description: Learn about the lifecycle of data in IPFS.
 
 # The lifecycle of data in IPFS
 
-- [1. Content-addressing](#1-content-addressing)
+- [1. Content-addressing / Merkleizing](#1-content-addressing--merkleizing)
 - [2. Providing](#2-providing)
 - [3. Retrieving](#3-retrieving)
 - [Learn more](#learn-more)