diff --git a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/student.js b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/student.js
index f4cd572e..167c8c0e 100644
--- a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/student.js	
+++ b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/student.js	
@@ -34,8 +34,8 @@ function student(text) {
 	console.log("english: " + enWordCount);
 	console.log("french: " + frWordCount);
 	
-	/** return language with most hits */
-	if (deWordCount >=enWordCount && deWordCount >= frWordCount) {
+	// return specific language
+	if (deWordCount >= enWordCount && deWordCount >= frWordCount) {
 		return lang.german;
 	}
 
diff --git a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/utility.js b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/utility.js
index dae988b7..fb1e73a0 100644
--- a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/utility.js	
+++ b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddon/resources/jid0-gn3ivo79cgfs9k4p3lxdo7tpfa4-keaddon-lib/utility.js	
@@ -33,7 +33,7 @@ function getFrStopwords() {
 	return ["au","aux","avec","ce","ces","dans","de","des","du","elle","en","et","eux","il","je","la","le","leur","lui","ma","mais","me","même","mes","moi","mon","ne","nos","notre","nous","on","ou","par","pas","pour","qu","que","qui","sa","se","ses","son","sur","ta","te","tes","toi","ton","tu","un","une","vos","votre","vous","c","d","j","l","à","m","n","s","t","y","été","étée","étées","étés","étant","étante","étants","étantes","suis","es","est","sommes","êtes","sont","serai","seras","sera","serons","serez","seront","serais","serait","serions","seriez","seraient","étais","était","étions","étiez","étaient","fus","fut","fûmes","fûtes","furent","sois","soit","soyons","soyez","soient","fusse","fusses","fût","fussions","fussiez","fussent","ayant","ayante","ayantes","ayants","eu","eue","eues","eus","ai","as","avons","avez","ont","aurai","auras","aura","aurons","aurez","auront","aurais","aurait","aurions","auriez","auraient","avais","avait","avions","aviez","avaient","eut","eûmes","eûtes","eurent","aie","aies","ait","ayons","ayez","aient","eusse","eusses","eût","eussions","eussiez","eussent"];	
 }
 
-
+exports.arrayContains = arrayContains;
 exports.getDeStopwords = getDeStopwords;
 exports.getEnStopwords = getEnStopwords;
 exports.getFrStopwords = getFrStopwords;
diff --git a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddonWithHeuristic.xpi b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddonWithHeuristic.xpi
index 35e8622d..041c9e25 100644
Binary files a/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddonWithHeuristic.xpi and b/ss2013/1_Web Mining/Uebungen/1_Uebung/keaddonWithHeuristic.xpi differ