diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index c73b2c9..e347a45 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -14704,8 +14704,8 @@ Not all member functions can be called.
         // if elem != nullptr then elem points to sz doubles
     public:
         Vector() : elem{nullptr}, sz{0}{}
-        Vector(int s) : elem{new double}, sz{s} { /* initialize elements */ }
-        ~Vector() { delete elem; }
+        Vector(int s) : elem{new double[s]}, sz{s} { /* initialize elements */ }
+        ~Vector() { delete [] elem; }
         double& operator[](int s) { return elem[s]; }
         // ...
     private: