onto-debugger.md

@@ -41,3 +41,6 @@ Next let us see what option do we have for the diagnoses search. Select *Exquisi
 Once we are happy with our preferences we can start the *Search Diagnoses* button and hopefully we will get some diagnoses in reasonable time.
 In our example we will get these diagnoses:
 ![diagnoses](/uploads/216e58d304370983784d2b4d480777e1/diagnoses.PNG)
+
+
+_Please note_: when you want to select another reasoner for diagnoses calculation you have to choose *Exquisite Debugger->Options* once to make the reasoner selection effective.
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