diff --git a/CHANGES.rst b/CHANGES.rst
index 88f5c631..139376d0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,5 +1,5 @@
 
-Revision 0.4.7, released XX-09-2019
+Revision 0.4.7, released 01-09-2019
 -----------------------------------
 
 - Added `isInconsistent` property to all constructed types. This property
diff --git a/pyasn1/type/constraint.py b/pyasn1/type/constraint.py
index 0049f971..b66627d2 100644
--- a/pyasn1/type/constraint.py
+++ b/pyasn1/type/constraint.py
@@ -454,7 +454,7 @@ class Item(Sequence):  #  Set is similar
                 OptionalNamedType('id', Integer()),
                 OptionalNamedType('name', OctetString())
             )
-            withComponents = ConstraintsIntersection(
+            withComponents = ConstraintsUnion(
                 WithComponentsConstraint(
                     ('id', ComponentPresentConstraint()),
                     ('name', ComponentAbsentConstraint())
@@ -471,9 +471,11 @@ class Item(Sequence):  #  Set is similar
         item['id'] = 1
 
         # This will succeed
+        item.reset()
         item['name'] = 'John'
 
-        # This will fail on encoding
+        # This will fail (on encoding)
+        item.reset()
         descr['id'] = 1
         descr['name'] = 'John'
     """