diff --git a/.github/script/STEP b/.github/steps/-step.txt
similarity index 100%
rename from .github/script/STEP
rename to .github/steps/-step.txt
diff --git a/.github/steps/0-welcome.md b/.github/steps/0-welcome.md
new file mode 100644
index 0000000..9ff13a5
--- /dev/null
+++ b/.github/steps/0-welcome.md
@@ -0,0 +1 @@
+<!-- readme -->
diff --git a/.github/workflows/0-start.yml b/.github/workflows/0-welcome.yml
similarity index 62%
rename from .github/workflows/0-start.yml
rename to .github/workflows/0-welcome.yml
index e7b9c90..746ac68 100644
--- a/.github/workflows/0-start.yml
+++ b/.github/workflows/0-welcome.yml
@@ -1,23 +1,22 @@
-name: Step 0, Start
+name: Step 0, Welcome
 
 # This step triggers after the learner creates a new repository from the template
-# This step sets STEP to 1
-# This step closes <details id=0> and opens <details id=1>
+# This workflow updates from step 0 to step 1.
 
 # This will run every time we create push a commit to `main`
-# Reference https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
+# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
 on:
   create:
   workflow_dispatch:
 
-# Reference https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
 permissions:
   # Need `contents: read` to checkout the repository
   # Need `contents: write` to update the step metadata
   contents: write
 
 jobs:
-  # Get the current step from .github/script/STEP so we can
+  # Get the current step from .github/steps/-step.txt so we can
   # limit running the main job when the learner is on the same step.
   get_current_step:
     name: Check current step number
@@ -27,7 +26,7 @@ jobs:
         uses: actions/checkout@v3
       - id: get_step
         run: |
-          echo "current_step=$(cat ./.github/script/STEP)" >> $GITHUB_OUTPUT
+          echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
     outputs:
       current_step: ${{ steps.get_step.outputs.current_step }}
 
@@ -37,9 +36,9 @@ jobs:
 
     # We will only run this action when:
     # 1. This repository isn't the template repository
-    # 2. The STEP is currently 0
-    # Reference https://docs.github.com/en/actions/learn-github-actions/contexts
-    # Reference https://docs.github.com/en/actions/learn-github-actions/expressions
+    # 2. The step is currently 0
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
     if: >-
       ${{ !github.event.repository.is_template
           && needs.get_current_step.outputs.current_step == 0}}
@@ -54,10 +53,9 @@ jobs:
         with:
           fetch-depth: 0 # Let's get all the branches
 
-      # Update README to close <details id=0> and open <details id=1>
-      # and set STEP to '1'
-      - name: Update to step 1
-        uses: skills/action-update-step@v1
+      # In README.md, switch step 0 for step 1.
+            - name: Update to step 1
+        uses: skills/action-update-step@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           from_step: 0
diff --git a/.github/workflows/1-first-codespace.yml b/.github/workflows/1-first-codespace.yml
index b282307..2c8144b 100644
--- a/.github/workflows/1-first-codespace.yml
+++ b/.github/workflows/1-first-codespace.yml
@@ -1,25 +1,24 @@
 name: Step 1, 1-Create codespace and push code
 
 # This step triggers after push to main
-# This step sets STEP to 2
-# This step closes <details id=1> and opens <details id=2>
+# This workflow updates from step 1 to step 2.
 
 # This will run every time we push to main
-# Reference https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
+# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
 on:
   workflow_dispatch:
   push:
     branches:
       - main
 
-# Reference https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
 permissions:
   # Need `contents: read` to checkout the repository
   # Need `contents: write` to update the step metadata
   contents: write
 
 jobs:
-  # Get the current step from .github/script/STEP so we can
+  # Get the current step from .github/steps/-step.txt so we can
   # limit running the main job when the learner is on the same step.
   get_current_step:
     name: Check current step number
@@ -29,7 +28,7 @@ jobs:
         uses: actions/checkout@v3
       - id: get_step
         run: |
-          echo "current_step=$(cat ./.github/script/STEP)" >> $GITHUB_OUTPUT
+          echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
     outputs:
       current_step: ${{ steps.get_step.outputs.current_step }}
 
@@ -39,9 +38,9 @@ jobs:
 
     # We will only run this action when:
     # 1. This repository isn't the template repository
-    # 2. The STEP is currently 1
-    # Reference https://docs.github.com/en/actions/learn-github-actions/contexts
-    # Reference https://docs.github.com/en/actions/learn-github-actions/expressions
+    # 2. The step is currently 1
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
     if: >-
       ${{ !github.event.repository.is_template
           && needs.get_current_step.outputs.current_step == 1 }}
@@ -65,10 +64,9 @@ jobs:
           FILE: "index.html"
           SEARCH: "Hello from the codespace"
 
-      # Update README to close <details id=1> and open <details id=2>
-      # and set STEP to '2'
-      - name: Update to step 2
-        uses: skills/action-update-step@v1
+      # In README.md, switch step 1 for step 2.
+            - name: Update to step 2
+        uses: skills/action-update-step@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           from_step: 1
diff --git a/.github/workflows/2-custom-image.yml b/.github/workflows/2-custom-image.yml
index ec48d33..371304a 100644
--- a/.github/workflows/2-custom-image.yml
+++ b/.github/workflows/2-custom-image.yml
@@ -1,25 +1,24 @@
 name: Step 2, 2-custom image check
 
 # This step triggers after First Codespace
-# This step sets STEP to 3
-# This step closes <details id=2> and opens <details id=3>
+# This workflow updates from step 2 to step 3.
 
 # This will run every time we push to main
-# Reference https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
+# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
 on:
   workflow_dispatch:
   push:
     branches:
       - main
 
-# Reference https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
 permissions:
   # Need `contents: read` to checkout the repository
   # Need `contents: write` to update the step metadata
   contents: write
 
 jobs:
-  # Get the current step from .github/script/STEP so we can
+  # Get the current step from .github/steps/-step.txt so we can
   # limit running the main job when the learner is on the same step.
   get_current_step:
     name: Check current step number
@@ -29,7 +28,7 @@ jobs:
         uses: actions/checkout@v3
       - id: get_step
         run: |
-          echo "current_step=$(cat ./.github/script/STEP)" >> $GITHUB_OUTPUT
+          echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
     outputs:
       current_step: ${{ steps.get_step.outputs.current_step }}
 
@@ -39,9 +38,9 @@ jobs:
 
     # We will only run this action when:
     # 1. This repository isn't the template repository
-    # 2. The STEP is currently 2
-    # Reference https://docs.github.com/en/actions/learn-github-actions/contexts
-    # Reference https://docs.github.com/en/actions/learn-github-actions/expressions
+    # 2. The step is currently 2
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
     if: >-
       ${{ !github.event.repository.is_template
           && needs.get_current_step.outputs.current_step == 2 }}
@@ -65,10 +64,9 @@ jobs:
           FILE: ".devcontainer/devcontainer.json"
           SEARCH: "mcr.microsoft.com/vscode/devcontainers/universal:latest"
 
-      # Update README to close <details id=2> and open <details id=3>
-      # and set STEP to '3'
-      - name: Update to step 3
-        uses: skills/action-update-step@v1
+      # In README.md, switch step 2 for step 3.
+            - name: Update to step 3
+        uses: skills/action-update-step@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           from_step: 2
diff --git a/.github/workflows/3-customize-codespace.yml b/.github/workflows/3-customize-codespace.yml
index 11356ab..068d5e9 100644
--- a/.github/workflows/3-customize-codespace.yml
+++ b/.github/workflows/3-customize-codespace.yml
@@ -1,25 +1,24 @@
 name: Step 3, 3-Customize Codespace
 
 # This step triggers after we push to main
-# This step sets STEP to 4
-# This step closes <details id=3> and opens <details id=4>
+# This workflow updates from step 3 to step 4.
 
 # This will run every time
-# Reference https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
+# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
 on:
   workflow_dispatch:
   push:
     branches:
       - main
 
-# Reference https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
 permissions:
   # Need `contents: read` to checkout the repository
   # Need `contents: write` to update the step metadata
   contents: write
 
 jobs:
-  # Get the current step from .github/script/STEP so we can
+  # Get the current step from .github/steps/-step.txt so we can
   # limit running the main job when the learner is on the same step.
   get_current_step:
     name: Check current step number
@@ -29,7 +28,7 @@ jobs:
         uses: actions/checkout@v3
       - id: get_step
         run: |
-          echo "current_step=$(cat ./.github/script/STEP)" >> $GITHUB_OUTPUT
+          echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
     outputs:
       current_step: ${{ steps.get_step.outputs.current_step }}
 
@@ -39,9 +38,9 @@ jobs:
 
     # We will only run this action when:
     # 1. This repository isn't the template repository
-    # 2. The STEP is currently 3
-    # Reference https://docs.github.com/en/actions/learn-github-actions/contexts
-    # Reference https://docs.github.com/en/actions/learn-github-actions/expressions
+    # 2. The step is currently 3
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
     if: >-
       ${{ !github.event.repository.is_template
           && needs.get_current_step.outputs.current_step == 3 }}
@@ -65,10 +64,9 @@ jobs:
           FILE: ".devcontainer/devcontainer.json"
           SEARCH: "postCreateCommand"
 
-      # Update README to close <details id=3> and open <details id=4>
-      # and set STEP to '4'
-      - name: Update to step 4
-        uses: skills/action-update-step@v1
+      # In README.md, switch step 3 for step 4.
+            - name: Update to step 4
+        uses: skills/action-update-step@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           from_step: 3
diff --git a/.github/workflows/4-personalize-codespace.yml b/.github/workflows/4-personalize-codespace.yml
index 8fc7f53..5bd3ac1 100644
--- a/.github/workflows/4-personalize-codespace.yml
+++ b/.github/workflows/4-personalize-codespace.yml
@@ -1,11 +1,10 @@
 name: Step 4, 4-Personalize your Codespace
 
 # This step triggers after push to main#setup.sh
-# This step sets STEP to X
-# This step closes <details id=4> and opens <details X>
+# This workflow updates from step 4 to step X.
 
 # This will run every time we push to main#setup.sh
-# Reference https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
+# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
 on:
   workflow_dispatch:
   push:
@@ -14,14 +13,14 @@ on:
     paths:
       - 'setup.sh'
 
-# Reference https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
 permissions:
   # Need `contents: read` to checkout the repository
   # Need `contents: write` to update the step metadata
   contents: write
 
 jobs:
-  # Get the current step from .github/script/STEP so we can
+  # Get the current step from .github/steps/-step.txt so we can
   # limit running the main job when the learner is on the same step.
   get_current_step:
     name: Check current step number
@@ -31,7 +30,7 @@ jobs:
         uses: actions/checkout@v3
       - id: get_step
         run: |
-          echo "current_step=$(cat ./.github/script/STEP)" >> $GITHUB_OUTPUT
+          echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
     outputs:
       current_step: ${{ steps.get_step.outputs.current_step }}
 
@@ -41,9 +40,9 @@ jobs:
 
     # We will only run this action when:
     # 1. This repository isn't the template repository
-    # 2. The STEP is currently 4
-    # Reference https://docs.github.com/en/actions/learn-github-actions/contexts
-    # Reference https://docs.github.com/en/actions/learn-github-actions/expressions
+    # 2. The step is currently 4
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
+    # Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
     if: >-
       ${{ !github.event.repository.is_template
           && needs.get_current_step.outputs.current_step == 4}}
@@ -67,10 +66,9 @@ jobs:
           FILE: "setup.sh"
           SEARCH: "install sl"
 
-      # Update README to close <details id=4> and open <details id=X>
-      # and set STEP to 'X'
-      - name: Update to step X
-        uses: skills/action-update-step@v1
+      # In README.md, switch step 4 for step X.
+            - name: Update to step X
+        uses: skills/action-update-step@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           from_step: 4
diff --git a/README.md b/README.md
index b21b462..62861cd 100644
--- a/README.md
+++ b/README.md
@@ -12,12 +12,9 @@
 _Create workflows that enable you to use Continuous Integration (CI) for your projects._
 
 <!--
-  <<< Author notes: Start of the course >>>
+  <<< Author notes: Course start >>>
   Include start button, a note about Actions minutes,
   and tell the learner why they should take the course.
-  Each step should be wrapped in <details>/<summary>, with an `id` set.
-  The start <details> should have `open` as well.
-  Do not use quotes on the <details> tag attributes.
 -->
 
 <details id=0 open>
@@ -29,9 +26,15 @@ GitHub Codespaces is a development environment that's hosted in the cloud.
 - **What you'll learn**: How to create a codespace, push code from a codespace, select a custom image, and customize a codespace.
 - **What you'll build**: A codespace with devcontainer.json files, customizations, and personalizations.
 - **Prerequisites**: If you need to learn about Visual Studio Code, read [Visual Studio Code Docs](https://code.visualstudio.com/docs) first.
-- **How long**: This course is four steps long and can be completed in less than an hour.
+- **How long**: This course  can be completed in less than an hour.
 
-## How to start this course
+In this course, you will:
+
+1.
+2.
+3.
+
+### How to start this course
 
 <!-- For start course, run in JavaScript:
 'https://github.com/new?' + new URLSearchParams({