diff --git a/README.md b/README.md
index 888f0b6..74b2c8f 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ l1_chain_id: ""
 l2_chain_id: ""
 ```
 
+Please refer to [External Node docs](https://github.com/matter-labs/zksync-era/tree/main/docs/guides/external-node/prepared_configs) to find values for different zkSync Era chains.
+
 If you want to use monitoring (which we highly recommend), you have to change these variables:
 
 ```yaml
@@ -84,12 +86,17 @@ Basic auth secret can be generated by `htpasswd` and `sed` for interpolation:
 1. Install the ansible collection on your machine from where you will run ansible:
 `ansible-galaxy collection install community.general`
 
-2. Prepare the latest database backup on your host. you can download it from our [public GCS bucket](https://storage.googleapis.com/zksync-era-mainnet-external-node-backups/external_node_latest.pgdump).
-you should place it to `{{ storage_directory }}/pg_backups` directory. By default, `{{ storage_directory }}` is `/usr/src/en`
+2. Prepare the latest database backup on your host. you can download it from our public GCS buckets:
 
-3. **OPTIONAL**: If you already have external-node, you can copy tree directory to new host. Copy external-node database tree to `{{ storage_directory }}/db`.
+* Era Mainnet: <https://storage.googleapis.com/zksync-era-mainnet-external-node-backups/external_node_latest.pgdump>
+* Era Sepolia Testnet: <https://storage.googleapis.com/zksync-era-boojnet-external-node-snapshots/external_node_latest.pgdump>
+* Era Goerli Testnet: <https://storage.googleapis.com/zksync-era-testnet-external-node-backups/external_node_latest.pgdump>
 
-**Keep in mind, external-node tree should be older than PostgreSQL database backup.**
+Downloaded dump file should be placed into `{{ storage_directory }}/pg_backups` directory. By default, `{{ storage_directory }}` is `/usr/src/en`
+
+3. **OPTIONAL**: If you already have running node, you can copy its tree and state directory to a new host's `{{ storage_directory }}/db`.
+
+**Keep in mind that tree and state should be older than PostgreSQL database backup.**
 
 4. Run ansible-playbook using this role. We recommend encrypting next variables with ansible-vault or some another way: