Fixed small typo in help file, bug 5243

diff --git a/lang/en_utf8/help/quiz/itemanalysis.html b/lang/en_utf8/help/quiz/itemanalysis.html
index 23b5f4c0de7b53e93b99d7f1fd7b8bfc3dc9e49f..ed77ca448671978bfc8e41eb9a695ef2e1ac30a0 100644 (file)
--- a/lang/en_utf8/help/quiz/itemanalysis.html
+++ b/lang/en_utf8/help/quiz/itemanalysis.html
@@ -47,7 +47,7 @@ The discrimination coefficient is a correlation coefficient between scores at th
 <br/>
 DC = Sum(xy)/ (N * s<sub>x</sub> * s<sub>y</sub>) 
 <br/>
-where Sun(xy) is the sum of the products of deviations for item scores and overall quiz scores, <br>
+where Sum(xy) is the sum of the products of deviations for item scores and overall quiz scores, <br>
 N is the number of responses given to this question<br/>
 s<sub>x</sub> is the standard deviation of fractional scores for this question and, <br/>
 s<sub>y</sub> is the standard deviation of scores at the quiz as a whole.