diff --git a/testnet-onboarding-demo.md b/testnet-onboarding-demo.md
index a84cb18..ed1022a 100644
--- a/testnet-onboarding-demo.md
+++ b/testnet-onboarding-demo.md
@@ -352,6 +352,12 @@
         - 4006:4006
       ```
 
+    - For port calibration
+
+      ```bash
+      laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node deploy init --map-ports-to-host any-same --output bridge-nitro-spec.yml
+      ```
+
     - Create a deployment from the spec file:
 
       ```bash
@@ -792,6 +798,7 @@
       # Optional
       # Contract addresses of NitroAdjudicator, VirtualPaymentApp and ConsensusApp
       # TODO: Contracts are deployed if addresses are not set
+      # TODO: Fetch contract address from bridge stack
       CERC_NA_ADDRESS=0xb2592723B09F42937543f199A305ea6576dCb506
       CERC_VPA_ADDRESS=0x198c6643f7750c2569C3468E16750a8E8504E2c7
       CERC_CA_ADDRESS=0x198A8F1F14ACe1662fB2E5BE63A1de2308DE4CC7
@@ -822,6 +829,7 @@
       # Optional
       # Contract addresses of NitroAdjudicator, VirtualPaymentApp and ConsensusApp
       # TODO: Contracts are deployed if addresses are not set
+      # TODO: Fetch contract address from bridge stack
       CERC_NA_ADDRESS=0xb2592723B09F42937543f199A305ea6576dCb506
       CERC_VPA_ADDRESS=0x198c6643f7750c2569C3468E16750a8E8504E2c7
       CERC_CA_ADDRESS=0x198A8F1F14ACe1662fB2E5BE63A1de2308DE4CC7
@@ -852,6 +860,7 @@
 
       # Optional
       # Contract addresses of NitroAdjudicator, VirtualPaymentApp and ConsensusApp
+      # TODO: Fetch contract address from bridge stack
       # TODO: Contracts are deployed if addresses are not set
       CERC_NA_ADDRESS=0xb2592723B09F42937543f199A305ea6576dCb506
       CERC_VPA_ADDRESS=0x198c6643f7750c2569C3468E16750a8E8504E2c7
@@ -881,6 +890,7 @@
 
       # Optional
       # Contract addresses of NitroAdjudicator, VirtualPaymentApp and ConsensusApp
+      # TODO: Fetch contract address from bridge stack
       # TODO: Contracts are deployed if addresses are not set
       CERC_NA_ADDRESS=0xb2592723B09F42937543f199A305ea6576dCb506
       CERC_VPA_ADDRESS=0x198c6643f7750c2569C3468E16750a8E8504E2c7