Mention optionals and defaults
@@ -383,10 +383,11 @@ Embed
:>json object meta: meta data of the requested section.
:query string project: Read the Docs project's slug.
- :query string version: Read the Docs version's slug.
:query string doc: document to fetch content from.
- :query string section: section within the document to fetch.
- :query string path: full path to the document including extension.
+
+ :query string version: *optional* Read the Docs version's slug (default: ``latest``).
+ :query string section: *optional* section within the document to fetch.
+ :query string path: *optional* full path to the document including extension.
:query string url: full URL of the document (and section) to fetch content from.
