diff --git a/.editorconfig b/.editorconfig
index dde7877..b11bce6 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,3 +10,7 @@ trim_trailing_whitespace = true
 [{*.js,*.mjs,*.ts,*.json,*.yml}]
 indent_size = 2
 indent_style = space
+
+[*.cpp]
+indent_size = 2
+indent_style = space
diff --git a/C++/2-list.cpp b/C++/2-list.cpp
index 86509b7..21f29c4 100644
--- a/C++/2-list.cpp
+++ b/C++/2-list.cpp
@@ -13,7 +13,7 @@ class List {
     ListItem<T>* head;
     ListItem<T>* tail;
   public:
-    List<T>() {
+    List() {
       head = NULL;
       tail = NULL;
     };
@@ -37,6 +37,14 @@ class List {
         current = current->next;
       }
     }
+
+    ~List() {
+      while (head) {
+        ListItem<T> *current = head;
+        head = head->next;
+        delete current;
+      }
+    }
 };
 
 int main() {