Update README.md for more clear data of how this repo works

Author: jessebot

README.md

@@ -1,14 +1,16 @@
 # Pixelfed Glitch Docker Images
 
-Forked from the [in-repo Dockerfiles](https://github.com/pixelfed-glitch/pixelfed/tree/dev/contrib/docker) primarily because I wanted nginx as the web daemon and something to publish to use in a Helm chart.
+Forked from the [pixelfed-glitch Dockerfiles](https://github.com/pixelfed-glitch/pixelfed/tree/main/docker) primarily because I wanted nginx as the web daemon and something to publish to use in a Helm chart.
 
 Tags are rebuilt daily so you should use the SHA hash if mutability concerns you.
 
-Images at docker.io/jessebot/pixelfed-glitch
+Images at [docker.io/jessebot/pixelfed-glitch](https://hub.docker.com/r/jessebot/pixelfed-glitch/tags).
 
 Available tags:
-- dev-nginx
+- develop-nginx (built from the develop branch)
+- main-nginx (built from the main branch)
+- latest pixelfed-glitch release (repo checked daily for new releases)
 
 ## Attribution
 
-This repo is a fork of the a repo managed by Matt Kulka <matt@lqx.net>, so that we can use pixelfed-glitch. Check out their chart upstream if you want to use vanilla pixelfed, as it's great! :)
+This repo is a fork of the repo managed by Matt Kulka <matt@lqx.net>, so that we can use the pixelfed-glitch fork. Check out their repo upstream if you want to use vanilla pixelfed, as it's great and they are friendly! :)