diff --git a/include/aidge/graph/GraphView.hpp b/include/aidge/graph/GraphView.hpp
index d761af4697e968080b8e07ecf05429d6ffc4bad4..53f5ad82696c51f21a90d4f324c93a1042d5fbaa 100644
--- a/include/aidge/graph/GraphView.hpp
+++ b/include/aidge/graph/GraphView.hpp
@@ -596,8 +596,12 @@ public:
         return cloneCallback(&Node::clone);
     }
 
-    /**
-     * @brief Clone the current GraphView using a callback function for the Node cloning, allowing to specify how each Node should be cloned or replaced by another Node type, or removed (i.e. replaced by identity). When a Node is removed, the clone() method automatically finds the next valid parent in line, going backward in the graph and connects it if that makes sense without ambiguity (effectively treating the removed Node as an identity operation).
+    /** TODO: reformulate
+     * @brief Clone the current GraphView using a callback function for the Node cloning, allowing to specify how each
+     * Node should be cloned or replaced by another Node type, or removed (i.e. replaced by identity).
+     * When a Node is removed, the clone() method automatically finds the next valid parent in line, going backward in
+     * the graph and connects it if that makes sense without ambiguity (effectively treating the removed Node as an
+     * identity operation).
      * @param cloneNode Callback function to clone a node
      * @return std::shared_ptr<GraphView>
      */
diff --git a/src/graph/GraphView.cpp b/src/graph/GraphView.cpp
index fd0f1561dcadaa0cf495d410715f3f39095eecd9..626270ce49fbda74e7e58082eb2a6a4a049bbb26 100644
--- a/src/graph/GraphView.cpp
+++ b/src/graph/GraphView.cpp
@@ -1479,7 +1479,7 @@ std::shared_ptr<Aidge::GraphView> Aidge::GraphView::cloneCallback(NodePtr(*clone
 
   for (const std::shared_ptr<Node> &node_ptr : mNodes) {
     auto clonedNode = cloneNode(node_ptr);
-    if (clonedNode == nullptr) {
+    if (clonedNode == nullptr) { //todo: don't understand those checks: why is one child OK for deleted nodes?
       AIDGE_ASSERT(node_ptr->getChildren().size() <= 1, "deleted nodes in GraphView::clone() cannot have multiple children");
       AIDGE_ASSERT(node_ptr->dataInputs().size() <= 1, "deleted nodes in GraphView::clone() cannot have multiple data input parents");
     }