diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27732a4..40f0da7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ _2019-09-19_
 
 - `setAdContainerView` is now **deprecated** on mediation adapter, the adapter now clean itself when asked by the mediation SDK to prevent leakage.
 - `TeadsWebViewClientOverride` is now **deprecated**. The SDK now handle `WebView#onRenderProcessGone` correctly to clean the ad automatically.
-- Report proper error when client is offline while loading a new ad.
+- Report proper error when client is offline while loading a new ad in SDK debug mode.
 - Fix and minors improvements.
 
 ### v4.2.4