Prep for 1.0 release.
diff --git a/CHANGELOG b/CHANGELOG
index a71eb5c..f93c597 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+v1.0
+ Version 1.0
+
+  - Changes to the code for running tests and building releases.
+
 v1.0c3
  Version 1.0 Release Candidate 3