diff --git a/doc/changelog.txt b/doc/changelog.txt
index c18bbd3..03e1e5d 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -1,5 +1,6 @@
 # upcoming
 
+- (new) configuration via env variables
 - (fix) missing `content-type` headers (thanks to @verahawk for the report)
 - (fix) handle opml files not following the spec (thanks to @huangnauh for the report)