diff --git a/packages/govuk-frontend/src/govuk/components/checkboxes/checkboxes.yaml b/packages/govuk-frontend/src/govuk/components/checkboxes/checkboxes.yaml
index 2a6fda8fa5..c19138e3eb 100644
--- a/packages/govuk-frontend/src/govuk/components/checkboxes/checkboxes.yaml
+++ b/packages/govuk-frontend/src/govuk/components/checkboxes/checkboxes.yaml
@@ -150,7 +150,7 @@ examples:
                 <label class="govuk-label" for="other-country">
                   Country
                 </label>
-              <input class="govuk-input" id="other-country" name="other-country" type="text" value="Ravka">
+                <input class="govuk-input" id="other-country" name="other-country" type="text" value="Ravka">
               </div>
       values:
         - british
diff --git a/packages/govuk-frontend/src/govuk/components/cookie-banner/cookie-banner.yaml b/packages/govuk-frontend/src/govuk/components/cookie-banner/cookie-banner.yaml
index ec1149e612..98d8433749 100644
--- a/packages/govuk-frontend/src/govuk/components/cookie-banner/cookie-banner.yaml
+++ b/packages/govuk-frontend/src/govuk/components/cookie-banner/cookie-banner.yaml
@@ -155,7 +155,9 @@ examples:
     options:
       messages:
         - headingHtml: Cookies on <span>my service</span>
-          html: <p class="govuk-body">We use cookies in <span>our service</span>.</p><p class="govuk-body">We’d like to use analytics cookies so we can understand how you use the Design System and make improvements.</p>
+          html: |
+            <p class="govuk-body">We use cookies in <span>our service</span>.</p>
+            <p class="govuk-body">We’d like to use analytics cookies so we can understand how you use the Design System and make improvements.</p>
           actions:
             - text: Accept analytics cookies
               type: submit
diff --git a/packages/govuk-frontend/src/govuk/components/notification-banner/notification-banner.yaml b/packages/govuk-frontend/src/govuk/components/notification-banner/notification-banner.yaml
index ef274c7e5e..fe0fd4e489 100644
--- a/packages/govuk-frontend/src/govuk/components/notification-banner/notification-banner.yaml
+++ b/packages/govuk-frontend/src/govuk/components/notification-banner/notification-banner.yaml
@@ -58,11 +58,15 @@ examples:
       text: This publication was withdrawn on 7 March 2014.
   - name: paragraph as html heading
     options:
-      html: <p class="govuk-notification-banner__heading">You have 9 days to send a response.</p>
+      html: |
+        <p class="govuk-notification-banner__heading">You have 9 days to send a response.</p>
   - name: with text as html
     options:
       html: |
-        <h3 class="govuk-notification-banner__heading">This publication was withdrawn on 7 March 2014</h3><p class="govuk-body">Archived and replaced by the <a href="#" class="govuk-notification-banner__link">new planning guidance</a> launched 6 March 2014 on an external website</p>
+        <h3 class="govuk-notification-banner__heading">
+          This publication was withdrawn on 7 March 2014
+        </h3>
+        <p class="govuk-body">Archived and replaced by the <a href="#" class="govuk-notification-banner__link">new planning guidance</a> launched 6 March 2014 on an external website</p>
   - name: with type as success
     options:
       type: success
@@ -71,34 +75,36 @@ examples:
     options:
       type: success
       html: |
-        <h3 class="govuk-notification-banner__heading">4 files uploaded</h3><ul class="govuk-!-margin-0 govuk-list"><li><a href="link-1" class="govuk-notification-banner__link">government-strategy.pdf</a></li><li><a href="link-2" class="govuk-notification-banner__link">government-strategy-v1.pdf</a></li></ul>
+        <h3 class="govuk-notification-banner__heading">
+          4 files uploaded
+        </h3>
+        <ul class="govuk-!-margin-0 govuk-list">
+          <li><a href="link-1" class="govuk-notification-banner__link">government-strategy.pdf</a></li>
+          <li><a href="link-2" class="govuk-notification-banner__link">government-strategy-v1.pdf</a></li>
+        </ul>
   - name: with a list
     options:
       html: |
         <h3 class="govuk-notification-banner__heading">4 files uploaded</h3>
         <ul class="govuk-list govuk-list--bullet govuk-!-margin-bottom-0">
-            <li><a href="#" class="govuk-notification-banner__link">government-strategy.pdf</a></li>
-            <li><a href="#" class="govuk-notification-banner__link">government-strategy-v2.pdf</a></li>
-            <li><a href="#" class="govuk-notification-banner__link">government-strategy-v3-FINAL.pdf</a></li>
-            <li><a href="#" class="govuk-notification-banner__link">government-strategy-v4-FINAL-v2.pdf</a></li>
+          <li><a href="#" class="govuk-notification-banner__link">government-strategy.pdf</a></li>
+          <li><a href="#" class="govuk-notification-banner__link">government-strategy-v2.pdf</a></li>
+          <li><a href="#" class="govuk-notification-banner__link">government-strategy-v3-FINAL.pdf</a></li>
+          <li><a href="#" class="govuk-notification-banner__link">government-strategy-v4-FINAL-v2.pdf</a></li>
         </ul>
   - name: with long heading
     options:
       text: This publication was withdrawn on 7 March 2014, before being sent in, sent back, queried, lost, found, subjected to public inquiry, lost again, and finally buried in soft peat for three months and recycled as firelighters.
   - name: with lots of content
     options:
-      html: >
+      html: |
         <h3 class="govuk-notification-banner__heading">
           Check if you need to apply the reverse charge to this application
         </h3>
         <p class="govuk-body">You will have to apply the <a href="#" class="govuk-notification-banner__link">reverse charge</a> if the applicant supplies any of these services:</p>
         <ul class="govuk-list govuk-list--bullet govuk-list--spaced">
-          <li>
-            constructing, altering, repairing, extending, demolishing or dismantling buildings or structures (whether permanent or not), including offshore installation services
-          </li>
-          <li>
-            constructing, altering, repairing, extending, demolishing of any works forming, or planned to form, part of the land, including (in particular) walls, roadworks, power lines, electronic communications equipment, aircraft runways, railways, inland waterways, docks and harbours
-          </li>
+          <li>constructing, altering, repairing, extending, demolishing or dismantling buildings or structures (whether permanent or not), including offshore installation services</li>
+          <li>constructing, altering, repairing, extending, demolishing of any works forming, or planned to form, part of the land, including (in particular) walls, roadworks, power lines, electronic communications equipment, aircraft runways, railways, inland waterways, docks and harbours</li>
         </ul>
   - name: auto-focus disabled, with type as success
     options:
diff --git a/packages/govuk-frontend/src/govuk/components/notification-banner/template.test.js b/packages/govuk-frontend/src/govuk/components/notification-banner/template.test.js
index f21049cb67..c1cac684af 100644
--- a/packages/govuk-frontend/src/govuk/components/notification-banner/template.test.js
+++ b/packages/govuk-frontend/src/govuk/components/notification-banner/template.test.js
@@ -1,5 +1,6 @@
 const { render } = require('@govuk-frontend/helpers/nunjucks')
 const { getExamples } = require('@govuk-frontend/lib/components')
+const { outdent } = require('outdent')
 
 describe('Notification-banner', () => {
   let examples
@@ -198,9 +199,12 @@ describe('Notification-banner', () => {
       const $ = render('notification-banner', examples['with text as html'])
       const $contentHtml = $('.govuk-notification-banner__content')
 
-      expect($contentHtml.html().trim()).toEqual(
-        '<h3 class="govuk-notification-banner__heading">This publication was withdrawn on 7 March 2014</h3><p class="govuk-body">Archived and replaced by the <a href="#" class="govuk-notification-banner__link">new planning guidance</a> launched 6 March 2014 on an external website</p>'
-      )
+      expect($contentHtml.html().trim()).toEqual(outdent`
+        <h3 class="govuk-notification-banner__heading">
+          This publication was withdrawn on 7 March 2014
+        </h3>
+        <p class="govuk-body">Archived and replaced by the <a href="#" class="govuk-notification-banner__link">new planning guidance</a> launched 6 March 2014 on an external website</p>
+      `)
     })
   })