{"action":"created","comment":{"url":"https://api.github.com/repos/TEAMMATES/teammates/pulls/comments/63849428","id":63849428,"diff_hunk":"@@ -407,21 +402,19 @@ public String getQuestionResultStatisticsCsv(\n         }\n \n         for (Map.Entry<String, String> entry : sortedMap.entrySet()) {\n-            contribFragments += entry.getValue();\n+            contribFragments.append(entry.getValue());\n         }\n-        \n-        String csv = \"\";\n-        \n-        //Header\n-        csv += \"In the points given below, an equal share is equal to 100 points. \";\n-        csv += \"e.g. 80 means \\\"Equal share - 20%\\\" and 110 means \\\"Equal share + 10%\\\".\" + Const.EOL;\n-        csv += \"Claimed Contribution (CC) = the contribution claimed by the student.\" + Const.EOL;\n-        csv += \"Perceived Contribution (PC) = the average value of student's contribution as perceived by the team members.\" + Const.EOL;\n-        csv += \"Team, Name, Email, CC, PC, Ratings Recieved\" 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