Log change as bugfix

Signed-off-by: gufe44 <gu981@protonmail.com>
diff --git a/ChangeLog.d/netbsd-rand-arc4random_buf.txt b/ChangeLog.d/netbsd-rand-arc4random_buf.txt
index 7f5802e..8539d1f 100644
--- a/ChangeLog.d/netbsd-rand-arc4random_buf.txt
+++ b/ChangeLog.d/netbsd-rand-arc4random_buf.txt
@@ -1,3 +1,3 @@
-Changes
+Bugfix
    * Use arc4random_buf on NetBSD instead of rand implementation with cyclical
      lower bits. Fix contributed in #3540.