diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1d3f37..7a39278 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ### Added
 
-`Ferrum::Network::Request#headers` are enhanced and supplemented with `Network.requestWillBeSentExtraInfo`
+`Ferrum::Network::Request#headers` are enhanced and supplemented with `Network.requestWillBeSentExtraInfo` [#506]
 
 ### Changed