The documentation for the RSS templating is a little unclear.
http://gohugo.io/templates/rss/
Some users may attempt to look for a ```__internal``` directory rather than assume that's the aforementioned "Hugo own template."
Here's my suggestion.
* /layouts/rss.xml
* /layouts/\_default/rss.xml
-* \__internal/rss.xml
+* [Embedded rss.xml](#the-embedded-rss-xml:eceb479b7b3b2077408a2878a29e1320)
### Section RSS
* /layouts/\_default/rss.xml
* /themes/`THEME`/layouts/section/`SECTION`.rss.xml
* /themes/`THEME`/layouts/\_default/rss.xml
-* \__internal/rss.xml
+* [Embedded rss.xml](#the-embedded-rss-xml:eceb479b7b3b2077408a2878a29e1320)
### Taxonomy RSS
* /layouts/\_default/rss.xml
* /themes/`THEME`/layouts/taxonomy/`SINGULAR`.rss.xml
* /themes/`THEME`/layouts/\_default/rss.xml
-* \__internal/rss.xml
+* [Embedded rss.xml](#the-embedded-rss-xml:eceb479b7b3b2077408a2878a29e1320)
## Configuring RSS