Index: lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/servlet/PopulateMarksServlet.java
===================================================================
diff -u -r231b438805625a1d72345c2ce78247e5167a51ce -rd5259e1155612e7572a3b20306c5a0d0402af18b
--- lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/servlet/PopulateMarksServlet.java	(.../PopulateMarksServlet.java)	(revision 231b438805625a1d72345c2ce78247e5167a51ce)
+++ lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/web/servlet/PopulateMarksServlet.java	(.../PopulateMarksServlet.java)	(revision d5259e1155612e7572a3b20306c5a0d0402af18b)
@@ -60,6 +60,11 @@
 	super.init();
     }
 
+    /*
+     * Expects arbitrary parameter "toolContentId". And when it's available - it recalculates marks only for the
+     * sessions belonging to that toolContent, if this parameter is missing - it goes in a loop and recalculates for
+     * session uids from 1 to 20 000.
+     */
     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
 
 	PrintWriter out = response.getWriter();