diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index c3698a6..be8483c 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -308,7 +308,8 @@ side-by-side-diffs::
 snapshots::
 	Text which specifies the default set of snapshot formats generated by
 	cgit. The value is a space-separated list of zero or more of the
-	values "tar", "tar.gz", "tar.bz2" and "zip". Default value: none.
+	values "tar", "tar.gz", "tar.bz2", "tar.xz" and "zip". Default value:
+	none.
 
 source-filter::
 	Specifies a command which will be invoked to format plaintext blobs