diff --git a/config/rackFrame.scad b/config/rackFrame.scad
index f01d8c0..a043f8c 100644
--- a/config/rackFrame.scad
+++ b/config/rackFrame.scad
@@ -8,7 +8,8 @@ _profileConfigs = [
       ["maxUnitWidth", 180],
       ["maxUnitDepth", 120],
       ["numRailScrews", 10]
-    ]],
+    ]], // To generate the stls for this custom profile, you would do:
+        // $ python3 rbuild.py -b all -c custom
     */
     ["default", [ // Default config. Will be overwritten by any other profiles
       ["maxUnitWidth", 180],