diff --git a/changelogs/client_server/newsfragments/1240.clarification b/changelogs/client_server/newsfragments/1240.clarification
new file mode 100644
index 000000000..91a7ae04e
--- /dev/null
+++ b/changelogs/client_server/newsfragments/1240.clarification
@@ -0,0 +1 @@
+Clarify enum values by separting with commas.
diff --git a/layouts/partials/openapi/render-object-table.html b/layouts/partials/openapi/render-object-table.html
index b49cb3e82..512714818 100644
--- a/layouts/partials/openapi/render-object-table.html
+++ b/layouts/partials/openapi/render-object-table.html
@@ -89,7 +89,7 @@
   <td>
     {{ if $required }}<strong>Required: </strong>{{end -}}
     {{ $property.description | markdownify -}}
-    {{ if eq $type "enum"}}<p>One of: <code>{{ $property.enum }}</code>.</p>{{ end -}}
+    {{ if eq $type "enum"}}<p>One of: <code>[{{ delimit $property.enum ", " }}]</code>.</p>{{ end -}}
     {{ if (index $property "x-addedInMatrixVersion") }}{{ partial "added-in" (dict "v" (index $property "x-addedInMatrixVersion")) }}{{ end -}}
     {{ if (index $property "x-changedInMatrixVersion") }}{{ partial "changed-in" (dict "changes_dict" (index $property "x-changedInMatrixVersion")) }}{{ end -}}
   </td>