diff --git a/README.md b/README.md
index 8ca0b37..98fb617 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,8 @@ We use OpenZeppelin for an upgradeable contracts: [https://www.npmjs.com/package
 
 Refer to the OpenZeppelin README and `scripts/create-proxy.js`
 
+[OpenZeppelin Step by Step guide](https://forum.openzeppelin.com/t/openzeppelin-upgrades-step-by-step-tutorial-for-hardhat/3580)
+
 For an upgrade example checkout `scripts/upgrade-example.js`
 
 
diff --git a/hardhat.config.js b/hardhat.config.js
index f7c4002..d5d5681 100644
--- a/hardhat.config.js
+++ b/hardhat.config.js
@@ -66,8 +66,15 @@ module.exports = {
     hardhat: {
       chainId: 1337,
     },
+    rinkeby: {
+      url: "https://rinkeby.infura.io/v3/2e73045db2e84711912f8d0e5968f309",
+      accounts: [
+        process.env.DEPLOY_KEY ||
+          "0xffb4230bdf9b1f1dd48f0bc54e4007436733f225a4f163d4f7e58e620ae329eb",
+      ],
+    },
     rsk: {
-      url: "http://10.1.1.136:4444/",
+      url: "https://rsk-testnet.kosmos.org",
       accounts: [
         process.env.DEPLOY_KEY ||
           "0xffb4230bdf9b1f1dd48f0bc54e4007436733f225a4f163d4f7e58e620ae329eb",
diff --git a/scripts/upgrade-example.js b/scripts/upgrade-example.js
index 06f2bab..ec630e2 100644
--- a/scripts/upgrade-example.js
+++ b/scripts/upgrade-example.js
@@ -9,6 +9,9 @@ async function main() {
   const ContributorV2 = await ethers.getContractFactory("Contributor");
   const contributor = await upgrades.upgradeProxy(kredits.Contributor.address, ContributorV2);
   console.log("Contributor upgraded");
+  console.log(`Contirbutor address: ${contributor.address}`);
+
+  await contributor.deployTransaction.wait();
 
   console.log("DONE!");
 }