Use the re-usable misspell action

And fix one typo while at it.

.github/workflows/misspell.yml

@@ -0,0 +1,20 @@
+name: Misspell
+on: 
+  push:
+  workflow_dispatch:
+
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+  group: misspell-'${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+  misspell:
+    runs-on: ["self-hosted", "client"]
+    steps:
+        - name: Check out code
+          uses: actions/checkout@v4
+        - name: Misspell
+          uses: PelionIoT/actions/.github/actions/misspell@main
+          with:
+            exceptions: "mosquitto"

.github/workflows/pr-checker.yml

@@ -93,15 +93,6 @@ jobs:
     - uses: actions/checkout@v4
     - run: ./check_versions.sh
 
-  misspell:
-    runs-on: [ "self-hosted", "client" ]
-    steps:
-    - name: Run misspell (findings may not increase)
-      run: |
-        curl -L -o ./install-misspell.sh https://git.io/misspell
-        sh ./install-misspell.sh
-        bin/misspell -i mosquitto
-
   run-edge-info:
     runs-on: ubuntu-22.04
     steps:

fw-tools/edge-testnet

@@ -75,7 +75,7 @@ verbose() {
 }
 
 # Extract the server name from the URL - bootstrap/lwm2m/edge-k8s/gateways/containers
-# If the URL starts with "edge-k8s", the server name will be from the begining until the second hyphen or the first dot.
+# If the URL starts with "edge-k8s", the server name will be from the beginning until the second hyphen or the first dot.
 # If the URL starts with "tcp-"/"udp-", the server name will come after "tcp-"/"udp-" until the first dot or hyphen
 # In other cases the server name will be from the beginning until the first dot or hyphen
 #
@@ -90,7 +90,7 @@ extract_server_name() {
 
     if [[ $URL =~ ^(edge-k8s) ]]; then
         # If the URL starts with edge-k8s,
-        # Extract the substring from the begining until the second hyphen
+        # Extract the substring from the beginning until the second hyphen
         # Or from the beginning until the first dot.
         # In practice it will be "edge-k8s".
         RESULT=$(echo "$URL" | grep -o '^[^-]*-[^-]*' | grep -o '^[^.]*')