Adding instructions for jQuery AJAX compatablity, change the JSON template example to double quoted properties, and fixed a few minor spelling errors.

README

     The POST _must_ have a query parameter called X-Progress-ID (or an HTTP header of the same name) whose value is the
     unique identifier used to get progress information. If the POST has no such information, the upload will not be tracked.
     The tracked connections are kept at most <timeout> seconds after they have been finished to be able to serve 
-    unseful information to upload progress probes.
+    useful information to upload progress probes.
     WARNING: this directive must be the last directive of the location. It must be in a proxy_pass or 
     fastcgi_pass location.
     
             upload_progress_template
 
     The HTTP request to this location must have a X-Progress-ID parameter or HTTP header containing a valid
-    unique identifier of an inprogress upload.
+    unique identifier of an in progress upload.
 
 upload_progress_content_type
 ++++++++++++++++++++++++++++
     :Description:
     This directive allows to change the name of the GET parameter with the jsonp callback name.
 
+upload_progress_java_output
++++++++++++++++++++++++++++
+    :Syntax: upload_progress_java_output
+    :Default: N/A
+    :Context: location
+    :Description:
+    This directive sets everything to output as eval() javascript compatible code.
+
 upload_progress_json_output
 +++++++++++++++++++++++++++
     :Syntax: upload_progress_json_output
 
     Example of jsonp response:
 
-    upload_progress_template starting "$uploadprogress_callback({ 'state' : 'starting'});";
-    upload_progress_template error "$uploadprogress_callback({ 'state' : 'error', 'status' : $uploadprogress_status });";
-    upload_progress_template done "$uploadprogress_callback({ 'state' : 'done'});";
-    upload_progress_template uploading "$uploadprogress_callback({ 'state' : 'uploading', 'received' : $uploadprogress_received, 'size' : $uploadprogress_length });";
+    upload_progress_template starting "$uploadprogress_callback({ \"state\" : \"starting\"});";
+    upload_progress_template error "$uploadprogress_callback({ \"state\" : \"error\", \"status\" : $uploadprogress_status });";
+    upload_progress_template done "$uploadprogress_callback({ \"state\" : \"done\"});";
+    upload_progress_template uploading "$uploadprogress_callback({ \"state\" : \"uploading\", \"received\" : $uploadprogress_received, \"size\" : $uploadprogress_length });";
 
 Configuration Example:
 +++++++++++++++++++++
 You can also use the following javascript libraries client side:
 http://drogomir.com/blog/2008/6/30/upload-progress-script-with-safari-support
 
+Note that when using jQuery AJAX for progress monitoring, such as:
+https://github.com/drogus/jquery-upload-progress
+you should be sure to set a upload_progress template parameter:
+upload_progress_json_output
+or
+upload_progress_jsonp_output
+depending on your jQuery AJAX dataType setting.