Fix section title

src/ctapipe/io/eventsource.py

@@ -79,16 +79,18 @@ class EventSource(Component):
     as these are mutable and may lead to errors when analyzing multiple events.
 
 
-    Attributes
+    Parameters
     ----------
-    input_url : str
+    input_url : str | Path
         Path to the input event file.
     max_events : int
         Maximum number of events to loop through in generator
     allowed_tels: Set or None
         Ids of the telescopes to be included in the data.
         If given, only this subset of telescopes will be present in the
         generated events. If None, all available telescopes are used.
+
+    Parameters
     """
 
     #: ctapipe_io entry points may provide EventSource implementations