fixes test and naming and adds comment

Author: WolfgangFahl

migration/openresearch/eventcorpus.py

@@ -6,7 +6,7 @@
 from openresearch.event import EventList,EventSeriesList
 class EventCorpus(object):
     '''
-    Towards a gold standard event corpus ...
+    Towards a gold standard event corpus  and observatory ...
     '''
 
     def __init__(self,debug=False):

migration/tests/testIssue168.py

@@ -34,7 +34,7 @@ def testEventCorpus(self):
             self.assertTrue(hasattr(event, 'lastEditor'))
             if hasattr(event,'inEventSeries'): withSeries+=1
         if self.debug:
-            print(f"inEventsiers: {withSeries}")
+            print(f"inEventseries: {withSeries}")
         self.assertTrue(withSeries>4500)