Update changelog for release

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1454551 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/main.distribution/doc/changelog_main.txt b/main.distribution/doc/changelog_main.txt
index 445ee60..3d193f3 100644
--- a/main.distribution/doc/changelog_main.txt
+++ b/main.distribution/doc/changelog_main.txt
@@ -1,3 +1,9 @@
+Changes form 4.2.0 to 4.2.1
+---------------------------
+
+** Improvement
+    * Update to latest framework version 4.2.0
+
 Changes from 4.0.3 to 4.2.0
 ---------------------------