diff --git a/changelog.d/281.change.rst b/changelog.d/281.change.rst
index 56e5ee6e..9b3a5d75 100644
--- a/changelog.d/281.change.rst
+++ b/changelog.d/281.change.rst
@@ -1,2 +1,2 @@
-Added *kw_only* arguments to ``attr.ib`` and ``attr.s```, and a corresponding *kw_only* attribute to ``attr.Attribute``.
+Added *kw_only* arguments to ``attr.ib`` and ``attr.s``, and a corresponding *kw_only* attribute to ``attr.Attribute``.
 This change makes it possible to have a generated ``__init__`` with keyword-only arguments on Python 3, relaxing the required ordering of default and non-default valued attributes.
diff --git a/changelog.d/383.change.rst b/changelog.d/383.change.rst
index 6600b5b3..84a54cb8 100644
--- a/changelog.d/383.change.rst
+++ b/changelog.d/383.change.rst
@@ -1,2 +1 @@
 ``attr.validators.in_()`` now raises a ``ValueError`` with a useful message even if the options are a string and the value is not a string.
-This previously raised a ``TypeError``, like ``1 in "abc"``.
diff --git a/changelog.d/411.change.rst b/changelog.d/411.change.rst
index 56e5ee6e..9b3a5d75 100644
--- a/changelog.d/411.change.rst
+++ b/changelog.d/411.change.rst
@@ -1,2 +1,2 @@
-Added *kw_only* arguments to ``attr.ib`` and ``attr.s```, and a corresponding *kw_only* attribute to ``attr.Attribute``.
+Added *kw_only* arguments to ``attr.ib`` and ``attr.s``, and a corresponding *kw_only* attribute to ``attr.Attribute``.
 This change makes it possible to have a generated ``__init__`` with keyword-only arguments on Python 3, relaxing the required ordering of default and non-default valued attributes.
diff --git a/changelog.d/420.change.rst b/changelog.d/420.change.rst
index d5bba0d3..0fa8051b 100644
--- a/changelog.d/420.change.rst
+++ b/changelog.d/420.change.rst
@@ -1 +1 @@
-Add *weakref_slot* parameter to ``attr.s()`` allowing for weak referenceable slotted classes.
+Slotted classes can now be made weakly referenceable by passing ``@attr.s(weakref_slot=True)``.