Statistical-analysis-of-multiple-choice-results.md

-There is a statistical tool to analyze the results of exams. The tool was developed by Alexander Caspar and Heinz Rasched. 
+There is a statistical tool to analyze the results of exams. The tool was introduced by Alexander Caspar and Heinz Rasched. 
 
 It runs a statistical analysis of the data generated by AMC, and produces a graphical overview:
 
 ![kennzahlen-mc](uploads/14b15800d8c4751ab881ac02d4ec0fd6/kennzahlen-mc.png)
 
-The tool will be made available for general use in due time. Please contact the authors directly if you have questions.
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+The tool will be made available for general use in due time. The tool can be requested via [echo](https://echo.ethz.ch), or eMail Alexander Caspar. 
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