Fix broken documentation link. (#7439)

A follow-up to #7416 and #7412.

README.md

@@ -63,7 +63,7 @@ See the [install instructions](/docs/introduction/install.md).
 ### Quick Start
 
 - [Single node](/docs/introduction/quick-start.md)
-- [Local cluster using docker-compose](/docs/networks/docker-compose.md)
+- [Local cluster using docker-compose](/docs/tools/docker-compose.md)
 - [Remote cluster using Terraform and Ansible](/docs/tools/terraform-and-ansible.md)
 - [Join the Cosmos testnet](https://cosmos.network/testnet)
 

docs/tools/docker-compose.md

@@ -169,7 +169,7 @@ Override the [command](https://github.com/tendermint/tendermint/blob/master/netw
         ipv4_address: 192.167.10.2
 ```
 
-Similarly do for node1, node2 and node3 then [run testnet](https://github.com/tendermint/tendermint/blob/master/docs/networks/docker-compose.md#run-a-testnet)
+Similarly do for node1, node2 and node3 then [run testnet](#run-a-testnet).
 
 ## Logging