diff --git a/readme.md b/readme.md
index 5a95d82a16..dbe8842be8 100644
--- a/readme.md
+++ b/readme.md
@@ -7,6 +7,11 @@ Download here: [Releases](../../releases/latest)
 
 See also:
 - [Instructions](https://blog.inf.ed.ac.uk/atate/firestorm-vr-mod/) - Firestorm VR Mod \| Austin Tate's Blog
-- [humbletim/p373r-vrmod](https://github.com/humbletim/p373r-vrmod) for the VR Mod change set
 - [P373R VR Mod Home Page](https://gsgrid.de/firestorm-vr-mod/)
-- [Original Firestorm Source Code](https://github.com/FirestormViewer/phoenix-firestorm)
+
+Upstream repos:
+| name | repo | details |
+| -- | -- | -- |
+| **Firestorm** | [FirestormViewer/phoenix-firestorm](https://github.com/FirestormViewer/phoenix-firestorm) | base code the vr mod becomes applied to |
+| **P373R** | [humbletim/p373r-vrmod](https://github.com/humbletim/p373r-vrmod) | patch set (original p373r vr mod changes) |
+| **Sgeo Min** | [Sgeo/p373r-sgeo-minimal](https://github.com/Sgeo/p373r-sgeo-minimal/tree/sgeo_min_vr_7.1.9) | Sgeo's phoenix-firestorm devfork with p373r changes applied + other improvements |