add gEDA reference

diff --git a/AltusMetrum/index.mdwn b/AltusMetrum/index.mdwn
index 2b8e79aaf788b5eeae49ed4aeddd3085dbd9531c..e396373413e276f691e3accc1a75175f93da0c94 100644 (file)
--- a/AltusMetrum/index.mdwn
+++ b/AltusMetrum/index.mdwn
@@ -5,7 +5,9 @@ commercial altimeters and decided to build his own.  This project was
 presented in talks at LCA, SCALE, OLS, and Debconf in 2008.
 </p>
 <p>
-Here are photos of the front and back sides of the version 0.1 prototype PCB.
+Here are photos of the front and back sides of the version 0.1 prototype PCB,
+which was 100% auto-routed on 2 layers using the 
+[gEDA](http://www.geda.seul.org) schematic and pcb tools.
 </p>
 <a href="hpim2581.jpg"> <img src="hpim2581-thumb.jpg"></a>
 <a href="hpim2582.jpg"> <img src="hpim2582-thumb.jpg"></a>