diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 3a2990b..3ddd1ec 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -32,6 +32,7 @@
    -  Added support pgp,gpg to mimes.php.
    -  Added support 3gp, 3g2, mp4, wmv, f4v, vlc Video files to mimes.php.
    -  Added support m4a, aac, m4u, xspf, au, ac3, flac, ogg Audio files to mimes.php.
+   -  Added support pptx office files to mimes.php.
 
 -  Helpers