diff --git a/CHANGELOG.md b/CHANGELOG.md
index 502772f40..1676c0100 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The following sections list the changes for unreleased.
 
  * Chg #1: Initial release of basic version
  * Enh #14: Configuration
+ * Enh #13: Implement preview API
 
 ## Details
 
@@ -23,4 +24,10 @@ The following sections list the changes for unreleased.
 
    https://github.com/owncloud/ocis-webdav/pull/14
 
+ * Enhancement #13: Implement preview API
+
+   Added the API endpoint for file previews.
+
+   https://github.com/owncloud/ocis-webdav/pull/13
+