reference docs PR

docker/README.md

@@ -1,3 +1,5 @@
 # Pixelfed + Docker + Docker Compose
 
-Please see the [Pixelfed Docs (Next)](https://jippi.github.io/pixelfed-docs-next/pr-preview/pr-1/running-pixelfed/) for current documentation on Docker usage
+Please see the [Pixelfed Docs (Next)](https://jippi.github.io/pixelfed-docs-next/pr-preview/pr-1/running-pixelfed/) for current documentation on Docker usage.
+
+The docs can be [reviewed in the pixelfed/docs-next](https://github.com/pixelfed/docs-next/pull/1) repository.