diff --git a/Viewer/features/core.js b/Viewer/features/core.js
index 8321506e..85bb8f44 100755
--- a/Viewer/features/core.js
+++ b/Viewer/features/core.js
@@ -2719,6 +2719,9 @@ function(title, func){
 // 		ready thus the first call will process all the inputs and the 
 // 		later calls will get empty inputs (unless any new inputs are while 
 // 		processing added)...
+// 		i.e. within a queue/task async processing model there is no guarantee
+// 		that the item will be processed in the same call tree that it 
+// 		was added in...
 //
 // XXX might be a good idea to split this into a generic and domain parts 
 // 		and move the generic part into types/runner...
diff --git a/Viewer/features/filesystem.js b/Viewer/features/filesystem.js
index f9bfe0ad..3e202367 100755
--- a/Viewer/features/filesystem.js
+++ b/Viewer/features/filesystem.js
@@ -2473,7 +2473,6 @@ var FileSystemWriterActions = actions.Actions({
 								// normal images (resize)...
 								} else if(resize){
 									// XXX should this be sync???
-									// XXX BUG: this creates unneeded backups...
 									return that.makeResizedImage(gid, size, img_dir, { name, logger })
 
 								// normal images (copy)...