diff --git a/src/fsfw/devicehandlers/AssemblyBase.h b/src/fsfw/devicehandlers/AssemblyBase.h
index 3e235928..58b280f1 100644
--- a/src/fsfw/devicehandlers/AssemblyBase.h
+++ b/src/fsfw/devicehandlers/AssemblyBase.h
@@ -120,8 +120,19 @@ class AssemblyBase : public SubsystemBase {
 
   virtual ReturnValue_t handleHealthReply(CommandMessage *message);
 
-  virtual void performChildOperation();
+  /**
+   * @brief Default periodic handler
+   * @details
+   * This is the default periodic handler which will be called by the SubsystemBase
+   * performOperation. It performs the child transitions or reacts to changed health/mode states
+   * of children objects
+   */
+  virtual void performChildOperation() override;
 
+  /**
+   * This function handles changed mode or health states of children
+   * @return
+   */
   bool handleChildrenChanged();
 
   /**