diff --git a/src/app/clusters/window-covering-server/window-covering-server.cpp b/src/app/clusters/window-covering-server/window-covering-server.cpp
index 0474a1f961d049..bbb33c71b653d0 100644
--- a/src/app/clusters/window-covering-server/window-covering-server.cpp
+++ b/src/app/clusters/window-covering-server/window-covering-server.cpp
@@ -947,6 +947,11 @@ bool emberAfWindowCoveringClusterGoToTiltPercentageCallback(app::CommandHandler
 
 /**
  * @brief Cluster Attribute Changed Callback
+ *
+ * The method is implemented by default as a weak function and it takes care of updating
+ * the server attribute values by calling the PostAttributeChange method. If the application overrides
+ * this method, it needs to handle updating attributes (ideally by calling PostAttributeChange).
+ *
  */
 void __attribute__((weak))
 MatterWindowCoveringClusterServerAttributeChangedCallback(const app::ConcreteAttributePath & attributePath)
diff --git a/src/app/clusters/window-covering-server/window-covering-server.h b/src/app/clusters/window-covering-server/window-covering-server.h
index 7c8eb49d771cde..15282f2411ed6e 100644
--- a/src/app/clusters/window-covering-server/window-covering-server.h
+++ b/src/app/clusters/window-covering-server/window-covering-server.h
@@ -140,7 +140,11 @@ void TiltPositionSet(chip::EndpointId endpoint, NPercent100ths position);
 EmberAfStatus GetMotionLockStatus(chip::EndpointId endpoint);
 
 /**
- * @brief PostAttributeChange is called when an Attribute is modified
+ * @brief PostAttributeChange is called when an Attribute is modified.
+ *
+ * The method is called by MatterWindowCoveringClusterServerAttributeChangedCallback
+ * to update cluster attributes values. If the application overrides MatterWindowCoveringClusterServerAttributeChangedCallback,
+ * it should call the PostAttributeChange on its own.
  *
  * @param[in] endpoint
  * @param[in] attributeId