diff --git a/viewerdb/vdb2umap.rb b/viewerdb/vdb2umap.rb
index 9bdbd48..6689411 100755
--- a/viewerdb/vdb2umap.rb
+++ b/viewerdb/vdb2umap.rb
@@ -44,8 +44,7 @@
   },
 }
 layers = {}
-featurehash = {}
-layerdelimRX = /^layer\[(.*?)\]=/m
+layerdelimRX = /^layer\[(.*?)\]=/m	# Layer Division Format
 defaultlayer = mtype || "Default"
 r.each do |ent|
   # ename, name, addr, lat, lon, Desc, objtype, jsonval