diff --git a/docs/releases/4.0.md b/docs/releases/4.0.md
index cedb1e5803..23212649ec 100644
--- a/docs/releases/4.0.md
+++ b/docs/releases/4.0.md
@@ -227,10 +227,15 @@ The internal JavaScript functions `createPageChooser`, `createSnippetChooser`, `
 * `createDocumentChooser(id)` should be replaced with `new DocumentChooser(id)`
 * `createImageChooser(id)` should be replaced with `newImageChooser(id)`
 
-### URL route names for document and snippet apps have changed
+### URL route names for image, document and snippet apps have changed
 
-If your code contains references to URL route names within the `wagtaildocs` or `wagtailsnippets` namespaces, these should be updated as follows:
+If your code contains references to URL route names within the `wagtailimages`, `wagtaildocs` or `wagtailsnippets` namespaces, these should be updated as follows:
 
+* `wagtailimages:chooser` is now `wagtailimages_chooser:choose`
+* `wagtailimages:chooser_results` is now `wagtailimages_chooser:choose_results`
+* `wagtailimages:image_chosen` is now `wagtailimages_chooser:chosen`
+* `wagtailimages:chooser_upload` is now `wagtailimages_chooser:create`
+* `wagtailimages:chooser_select_format` is now `wagtailimages_chooser:select_format`
 * `wagtaildocs:chooser` is now `wagtaildocs_chooser:choose`
 * `wagtaildocs:chooser_results` is now `wagtaildocs_chooser:choose_results`
 * `wagtaildocs:document_chosen` is now `wagtaildocs_chooser:chosen`