From 398b82644a0eee33a28679a04c0fc808fa8038ff Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 7 Dec 2010 19:25:26 +0000
Subject: [PATCH] little explanation

---
 lib/controller/checks.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index f5420207f..61e5acc99 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -356,7 +356,9 @@ def checkSqlInjection(place, parameter, value):
                         _ = Request.queryPage(reqPayload, place, noteResponseTime = False)
                         duration = calculateDeltaSeconds(start)
 
-                        # Reference: http://www.answers.com/topic/standard-deviation
+                        # 99.9999999997440% of all non-time affected durations
+                        # should be inside 7*stdev(durations)
+                        # (Reference: http://www.answers.com/topic/standard-deviation)
                         trueResult = (duration >= 7 * stdev(kb.responseTimes))
 
                         if trueResult: