code comment, changelog reformat

CHANGES.rst

@@ -10,13 +10,10 @@ New:
 
 Fixes:
 
-- Fixed possible IndexError exception during parsing of an ical string.
-- Fixed cal.Component.from_ical() representing an unknown component
-  as one of the known.
+- Fixed cal.Component.from_ical() representing an unknown component as one of the known.
   [stlaz]
 
-- Fixed date-time being recognized as date or time during parsing. Added
-  better error handling to parsing from ical strings.
+- Fixed possible IndexError exception during parsing of an ical string.
   [stlaz]
 
 - When doing a boolean test on ``icalendar.cal.Component``, always return ``True``.

src/icalendar/cal.py

@@ -339,6 +339,10 @@ class Component(CaselessDict):
                 # otherwise get a general Components for robustness.
                 c_name = vals.upper()
                 c_class = component_factory.get(c_name, Component)
+                # If component factory cannot resolve ``c_name``, the generic
+                # ``Component`` class is used which does not have the name set.
+                # That's opposed to the usage of ``cls``, which represents a
+                # more concrete subclass with a name set (e.g. VCALENDAR).
                 component = c_class()
                 if not getattr(component, 'name', ''):  # undefined components
                     component.name = c_name