diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c80bef0105..2b73057175 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,9 +12,12 @@ jobs:
   build_and_test:
     env:
       BUF_VERSION: '0.41.0'
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [14]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
     steps:
-
       - name: Checkout code
         uses: actions/checkout@v2
         with:
@@ -32,12 +35,12 @@ jobs:
           path: |
             ./nim-waku/build/wakunode2
             ./nim-waku/vendor/rln/target/debug
-          key: nim-waku-build-v3-${{ steps.nim-waku-head.outputs.ref }}
+          key: nim-waku-build-${{ matrix.os }}-v3-${{ steps.nim-waku-head.outputs.ref }}
 
       - name: Install NodeJS
         uses: actions/setup-node@v2
         with:
-          node-version: '14'
+          node-version: ${{ matrix.node }}
 
         # This would have been done part of npm pretest but it gives better
         # visibility in the CI if done as a separate step
@@ -70,7 +73,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ~/.npm
-          key: node-v1-${{ hashFiles('**/package-lock.json') }}
+          key: node-${{ matrix.os }}-${{ matrix.node }}-v1-${{ hashFiles('**/package-lock.json') }}
 
       - name: install using npm ci
         uses: bahmutov/npm-install@v1
diff --git a/README.md b/README.md
index c76c48551d..25a4ce69c4 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,13 @@ For support, questions & more general topics, please join the discussion on the
 
 A node chat app is provided as a working example of the library.
 It is interoperable with the [nim-waku chat app example](https://github.com/status-im/nim-waku/blob/master/examples/v2/chat2.nim).
-To run the chat app:
+To run the chat app, first ensure you have [Node.js](https://nodejs.org/en/) v14 or above:
+
+```shell
+node --version
+```
+
+Then, install and run:
 
 ```shell
 git clone https://github.com/status-im/js-waku/ ; cd js-waku
@@ -46,7 +52,7 @@ npm install
 npm run chat -- --staticNode /ip4/134.209.139.210/tcp/30303/p2p/16Uiu2HAmPLe7Mzm8TsYUubgCAW1aJoeFScxrLj8ppHFivPo97bUZ
 ```
 
-You can also specify an optional `listenAddr` parameter (.e.g `--listenAddr /ip4/0.0.0.0/tcp/55123`).
+You can also specify an optional `listenAddr` parameter (.e.g `--listenAddr /ip4/0.0.0.0/tcp/7777/ws`).
 This is only useful if you want a remote node to dial to your chat app, 
 it is not necessary in normal usage when you just connect to the fleet.
 
diff --git a/bors.toml b/bors.toml
index 77e74df7fc..73e2fc807f 100644
--- a/bors.toml
+++ b/bors.toml
@@ -1,3 +1,6 @@
-status = ["build_and_test", "web_chat_build_and_test"]
+status = [
+  "build_and_test (14, ubuntu-latest)",
+  "web_chat_build_and_test"
+]
 block_labels = ["work-in-progress"]
 delete_merged_branches = true