Tense and issue link.

CHANGELOG.rst

@@ -1,14 +1,14 @@
 v3.0.2
 ------
 
-* Fix a bug where ``0`` and ``False`` were considered equal by ``const`` and
-  ``enum``.
+* Fixed a bug where ``0`` and ``False`` were considered equal by
+  ``const`` and ``enum`` (#575).
 
 v3.0.1
 ------
 
-* Fix a bug where extending validators did not preserve their notion of which
-  validator property contains ``$id`` information.
+* Fixed a bug where extending validators did not preserve their notion
+  of which validator property contains ``$id`` information.
 
 v3.0.0
 ------
@@ -25,7 +25,7 @@ v2.6.0
 * Support for Python 2.6 has been dropped.
 * Improve a few error messages for ``uniqueItems`` (#224) and
   ``additionalProperties`` (#317)
-* Fix an issue with ``ErrorTree``'s handling of multiple errors (#288) 
+* Fixed an issue with ``ErrorTree``'s handling of multiple errors (#288) 
 
 v2.5.0
 ------
@@ -135,7 +135,7 @@ v0.6
 * Bugfixes
 
   * Issue #30 - Wrong behavior for the dependencies property validation
-  * Fix a miswritten test
+  * Fixed a miswritten test
 
 
 v0.5