diff --git a/packages/govuk-frontend/src/govuk/components/table/table.yaml b/packages/govuk-frontend/src/govuk/components/table/table.yaml
index e1d271a27d..fb7ff8795f 100644
--- a/packages/govuk-frontend/src/govuk/components/table/table.yaml
+++ b/packages/govuk-frontend/src/govuk/components/table/table.yaml
@@ -132,7 +132,7 @@ examples:
   - name: table with head and caption
     options:
       caption: 'Caption 1: Months and rates'
-      captionClasses: govuk-heading-m
+      captionClasses: govuk-table__caption--m
       firstCellIsHeader: true
       head:
         - text: Month you apply
diff --git a/packages/govuk-frontend/src/govuk/components/table/template.test.js b/packages/govuk-frontend/src/govuk/components/table/template.test.js
index 3a6a66d4fb..aaa61ad85e 100644
--- a/packages/govuk-frontend/src/govuk/components/table/template.test.js
+++ b/packages/govuk-frontend/src/govuk/components/table/template.test.js
@@ -36,7 +36,7 @@ describe('Table', () => {
       const $ = render('table', examples['table with head and caption'])
       const $caption = $('.govuk-table__caption')
 
-      expect($caption.hasClass('govuk-heading-m')).toBeTruthy()
+      expect($caption.hasClass('govuk-table__caption--m')).toBeTruthy()
     })
   })