Add note about salixmd

README.md

@@ -213,6 +213,10 @@ Salix's `in` operator allows you to check if a slice or array contains a specifi
 #("H" in "Hello") <!-- Returns true -->
 ```
 
+## Markdown
+
+Salix doesn't include a markdown rendering tag because I didn't want any non-stdlib dependencies. Instead, there's an implementation of a markdown salix tag using [goldmark](https://github.com/yuin/goldmark) at https://pkg.go.dev/go.elara.ws/salixmd.
+
 ## Acknowledgements
 
 - [Pigeon](https://github.com/mna/pigeon): Salix uses a [PEG](https://en.wikipedia.org/wiki/Parsing_expression_grammar) parser generated by pigeon. Salix would've been a lot more difficult to write without it.