diff --git a/.eslintignore b/.eslintignore
index eea84f4843..8ab0e62336 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -14,3 +14,4 @@ wagtail/snippets/static
 wagtail/users/static
 wagtail/contrib/*/static
 .mypy_cache
+/storybook-static
diff --git a/.prettierignore b/.prettierignore
index 97ded0d057..6f4f234551 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -12,3 +12,4 @@ _build
 # Files which contain incompatible syntax.
 *.html
 .mypy_cache
+/storybook-static
diff --git a/client/src/components/Draftail/decorators/__snapshots__/TooltipEntity.test.js.snap b/client/src/components/Draftail/decorators/__snapshots__/TooltipEntity.test.js.snap
index a728b90b16..c3100340c7 100644
--- a/client/src/components/Draftail/decorators/__snapshots__/TooltipEntity.test.js.snap
+++ b/client/src/components/Draftail/decorators/__snapshots__/TooltipEntity.test.js.snap
@@ -23,6 +23,7 @@ exports[`TooltipEntity #openTooltip 1`] = `
       >
         <script
           id="wagtail-config"
+          type="application/json"
         >
           {"CSRF_TOKEN":"potato"}
         </script>
@@ -42,6 +43,7 @@ exports[`TooltipEntity #openTooltip 1`] = `
           >
             <script
               id="wagtail-config"
+              type="application/json"
             >
               {"CSRF_TOKEN":"potato"}
             </script>