diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ A collective of gardeners publicly tending their digital notes on the interwebs
 #### Building a Private Garden
 
 - [Roam](https://roamresearch.com/) - A personal notes system for interconnected thought
-- [Org Roam](https://org-roam.readthedocs.io/en/master/)
+- [Org Roam](https://org-roam.readthedocs.io/en/master/) - non-hierarchical note-taking with org-mode in emacs
 - [Obsidian](https://obsidian.md/) - a Roam-like knowledge base that works on top of a local folder of plain text Markdown files.
 - [TheBrain](https://www.thebrain.com/) - A tool for taking interconnected notes with an interactive graph.