diff --git a/common/static/js/capa/drag_and_drop/update_input.js b/common/static/js/capa/drag_and_drop/update_input.js
index 6685672420..91881b21ec 100644
--- a/common/static/js/capa/drag_and_drop/update_input.js
+++ b/common/static/js/capa/drag_and_drop/update_input.js
@@ -50,6 +50,7 @@ define(['logme'], function (logme) {
             }(0));
         }
 
+        logme('input = "' + JSON.stringify({'draggables': draggables}) + '".');
         $('#input_' + state.problemId).val(JSON.stringify({'draggables': draggables}));
     }
 
diff --git a/docs/source/drag_and_drop_input.rst b/docs/source/drag_and_drop_input.rst
index fac75368b2..dc13dcfb11 100644
--- a/docs/source/drag_and_drop_input.rst
+++ b/docs/source/drag_and_drop_input.rst
@@ -215,8 +215,11 @@ If we have can_reuse=true, than one must use only long form of correct answer.
 Logic flow
 ----------
 
+(Click on image to see full size version.)
+
 .. image:: draganddrop_logic_flow.png
-    :scale: 36 %
+    :width: 100%
+    :target: _images/draganddrop_logic_flow.png
 
 
 Example