diff --git a/src/widgets/dragAndDrop.js b/src/widgets/dragAndDrop.js
index e979dae10..fb693abc7 100644
--- a/src/widgets/dragAndDrop.js
+++ b/src/widgets/dragAndDrop.js
@@ -129,16 +129,16 @@ function makeDraggable (tr, obj) {
   }, false)
 }
 
-/* uploadFiles
+/** uploadFiles
 **
 **  Generic uploader of local files to the web
 **   typically called from dropped file handler
-** Params
-**  fetcher   instance of class Fetcher as in kb.fetcher
-**  files      Array of file objects
-**  fileBase   URI of folder in which to put files (except images) (no trailing slash)
-**  imageBase  URI of folder in which to put images
-**  successHandler(file, uploadedURI)    Called after each success upload
+**
+**  @param {Fetcher} fetcher    instance of class Fetcher as in kb.fetcher
+**  @param {Array<File>} files      Array of file objects
+**  @param {String} fileBase    URI of folder in which to put files (except images) (no trailing slash)
+**  @param {String } imageBase  URI of folder in which to put images
+**  @param successHandler function(file, uploadedURI)    Called after EACH success upload
 **                              With file object an final URI as params
 */
 function uploadFiles (fetcher, files, fileBase, imageBase, successHandler) {
@@ -165,12 +165,6 @@ function uploadFiles (fetcher, files, fileBase, imageBase, successHandler) {
             alert(msg)
             throw new Error(msg)
           }
-        } else {
-          var extension = mime.extension(theFile.type)
-          if (theFile.type !== mime.lookup(theFile.name)) {
-            suffix = '_.' + extension
-            console.log('MIME TYPE MISMATCH -- adding extension: ' + suffix)
-          }
         }
         var folderName = theFile.type.startsWith('image/') ? imageBase || fileBase : fileBase
         var destURI = folderName + (folderName.endsWith('/') ? '' : '/') + encodeURIComponent(theFile.name) + suffix