diff --git a/Modules.md b/Modules.md
index 3bb022b..14840b9 100644
--- a/Modules.md
+++ b/Modules.md
@@ -77,7 +77,7 @@ mv panoramaviewer/ PanoramaViewer
 
 # Archive Repertory
 
-Required if 3d json files contain links to external images
+Required by 3d json to correctly reference files packages with the media.
 
 ```
 cd ./modules