Fix typos (#1611)

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>

CHANGES.rst

@@ -1484,7 +1484,7 @@ Fixes
 
 * Fix race condition when removing a traits listener. (#57)
 * Fix ugly interaction between DelegatesTo change handlers, dynamic change
-  handlers and two levels of dynamic intialization. (#63)
+  handlers and two levels of dynamic initialization. (#63)
 * Use a NullHandler for all 'traits' loggers. (#64)
 * Fix race condition in TraitChangeNotifyWrapper.listener_deleted (#66)
 * Fix leaking notifiers. (#68)

traits/ctrait.py

@@ -12,7 +12,7 @@
 
 The CTrait class extends the C-level cTrait type to provide the full CTrait
 API. CTraits are the core objects that are used to generate defaults and
-validate as well as maintining a list of notifiers and calling them when
+validate as well as maintaining a list of notifiers and calling them when
 values are modified.
 """
 

traits/tests/check_observe_timing.py

@@ -276,7 +276,7 @@ def get_property_simple_timing(property_args, cached_property):
     """ Time the cases described by the (cached) property depending on a simple
     trait scenario.  Whether or not the property is cached is based on the
     cached_property argument, and the given property_args argument is used in
-    the Property trait defintion.
+    the Property trait definition.
 
     Parameters
     ----------
@@ -373,7 +373,7 @@ def get_property_extended_timing(property_args, cached_property):
     """ Time the cases described by the (cached) property depending on an
     extended trait scenario. Wether or not the property is cached is determined
     by the cached_property argument, and the given property_args argument is
-    used for the Property trait defintion.
+    used for the Property trait definition.
 
     Parameters
     ----------

traits/tests/test_has_traits.py

@@ -913,19 +913,19 @@ class SubClass(BaseClass):
         self.assertEqual(len(instance.events), 1)
 
     def test_observer_overridden(self):
-        # The handler is overriden, no change event should be registered.
+        # The handler is overridden, no change event should be registered.
         class BaseClass(HasTraits):
             events = List()
 
             @observe("value")
             def handler(self, event):
                 self.events.append(event)
 
-        class SubclassOverriden(BaseClass):
+        class SubclassOverridden(BaseClass):
             value = Int()
             handler = None
 
-        instance = SubclassOverriden()
+        instance = SubclassOverridden()
         instance.value += 1
         self.assertEqual(len(instance.events), 0)