diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21d9baf..a11a9f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 ## 2025-02-18 4.8.20
-* Add returned types for methods
+* Add returned types for methods offsetExists(), offsetSet(), offsetUnset() in WC_Retailcrm_Response
 
 ## 2025-02-04 4.8.19
 * Optimization of order unloading
diff --git a/src/readme.txt b/src/readme.txt
index df1b2a0..7ef5494 100644
--- a/src/readme.txt
+++ b/src/readme.txt
@@ -83,7 +83,7 @@ Asegúrate de tener una clave API específica para cada tienda. Las siguientes i
 
 == Changelog ==
 = 4.8.20 =
-* Add returned types for methods
+* Add returned types for methods offsetExists(), offsetSet(), offsetUnset() in WC_Retailcrm_Response
 
 = 4.8.19 =
 * Optimization of order unloading