diff --git a/changeLog.md b/changeLog.md
index 90883d3c..06949af1 100644
--- a/changeLog.md
+++ b/changeLog.md
@@ -29,8 +29,9 @@
 ## 10-10-2023
 ### What's new
 - Added an acceptance test that tests navigation to a dataset page
+- Added an acceptance test that tests loading the swagger editor with the correct openAPI json
 ### Why was this change made?
-- because this user journey was documented as part of a recent group session we did
+- because these user journeys were documented as part of a recent group session we did
 
 ## 09-10-2023
 ### What's new
diff --git a/tests/acceptance/test_documentation.py b/tests/acceptance/test_documentation.py
index c7c6de89..05708b15 100644
--- a/tests/acceptance/test_documentation.py
+++ b/tests/acceptance/test_documentation.py
@@ -1,3 +1,6 @@
+import json
+
+
 def test_docs_page_loads_ok(server_process, BASE_URL, page):
     response = page.goto(BASE_URL + "/docs/")
     assert response.ok
@@ -6,3 +9,31 @@ def test_docs_page_loads_ok(server_process, BASE_URL, page):
         name="Documentation",
     )
     assert heading.is_visible()
+
+
+def test_accessing_the_openAPI_file_and_the_swagger_editor(
+    server_process, BASE_URL, page
+):
+    page.goto(BASE_URL)
+    page.get_by_role("link", name="Documentation", exact=True).click()
+
+    with page.expect_navigation() as navigation_info:
+        page.get_by_role(
+            "link", name="https://www.planning.data.gov.uk/openapi.json"
+        ).click()
+
+    assert navigation_info.value.ok
+
+    try:
+        json.loads(navigation_info.value.body())
+    except ValueError:
+        assert False, "The openapi.json file is not valid JSON."
+
+    page.go_back()
+
+    linkHref = page.get_by_role("link", name="Swagger Editor").get_attribute("href")
+
+    assert "swagger" in linkHref, "Link didn't contain 'swagger'"
+    assert (
+        "https://www.planning.data.gov.uk/openapi.json" in linkHref
+    ), "Link didn't contain 'https://www.planning.data.gov.uk/openapi.json'"