diff --git a/longs/templates/longs/longseries_form.html b/longs/templates/longs/longseries_form.html
index 99a11431..5e640c30 100755
--- a/longs/templates/longs/longseries_form.html
+++ b/longs/templates/longs/longseries_form.html
@@ -310,7 +310,7 @@ This form will create a image set that can be associated with a long question. I
 
     <h3>Images:</h3>
     <input type="button" value="Add More Images" id="add_more_images">
-    <div id="drop-container" class="">Drop images here (or use the buttons below). Dropping images here will overwrite existing images in the series.
+    <div id="drop-container" class="">Drop images here (or use the buttons below). Dropping images here will overwrite existing images in the series. When drag and dropping make sure to drag the first image or the order will not be maintained.
         <div id="single-dicom-viewer" class="dicom-viewer" data-images="" data-annotations=''></div>
         <div id="drop-filenames"></div>
     </div>