diff --git a/glicid/packages/science.scm b/glicid/packages/science.scm
index dff206a..7347da2 100644
--- a/glicid/packages/science.scm
+++ b/glicid/packages/science.scm
@@ -49,6 +49,8 @@
     (home-page "http://loki-lib.sourceforge.net/index.php?n=Main.HomePage")
     (license gpl3+)))
 
+;; was commented out… guix repl is ok… so uncomment right now
+
 (define-public yade
   (package
     (name "yade")