Fix typo in the changelog.
diff --git a/CHANGES.rst b/CHANGES.rst
index 71dac63..a733d55 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -175,7 +175,7 @@
   (GITHUB-369)
   [Roeland Kuipers]
 
-- Implements VPC network ACLs for CloudStack drive
+- Implements VPC network ACLs for CloudStack driver.
   (GITHUB-371)
   [Jeroen de Korte]