diff --git a/reference/new/op_delete.md b/reference/new/op_delete.md
index 63c16b89bb..b8981ba97a 100644
--- a/reference/new/op_delete.md
+++ b/reference/new/op_delete.md
@@ -6,12 +6,16 @@
 ```cpp
 void operator delete(void* ptr) throw();                                                // (1) C++03 まで
 void operator delete(void* ptr) noexcept;                                               // (1) C++11 から
+
 void operator delete(void* ptr, std::size_t size) noexcept;                             // (2) C++14 から
+
 void operator delete(void* ptr, std::align_val_t alignment) noexcept;                   // (3) C++17 から
+
 void operator delete(void* ptr, std::size_t size, std::align_val_t alignment) noexcept; // (4) C++17 から
 
 void operator delete(void* ptr, const std::nothrow_t&) throw();                              // (5) C++03 まで
 void operator delete(void* ptr, const std::nothrow_t&) noexcept;                             // (5) C++11 から
+
 void operator delete(void* ptr, std::align_val_t alignment, const std::nothrow_t&) noexcept; // (6) C++17 から
 
 void operator delete(void* ptr, void*) throw();                                     // (7) C++03 まで
diff --git a/reference/new/op_delete[].md b/reference/new/op_delete[].md
index 7be6ffe5c4..9866bb4d43 100644
--- a/reference/new/op_delete[].md
+++ b/reference/new/op_delete[].md
@@ -6,12 +6,16 @@
 ```cpp
 void operator delete[](void* ptr) throw();                                                // (1) C++03 まで
 void operator delete[](void* ptr) noexcept;                                               // (1) C++11 から
+
 void operator delete[](void* ptr, std::size_t size) noexcept;                             // (2) C++14 から
+
 void operator delete[](void* ptr, std::align_val_t alignment) noexcept;                   // (3) C++17 から
+
 void operator delete[](void* ptr, std::size_t size, std::align_val_t alignment) noexcept; // (4) C++17 から
 
 void operator delete[](void* ptr, const std::nothrow_t&) throw();                              // (5) C++03 まで
 void operator delete[](void* ptr, const std::nothrow_t&) noexcept;                             // (5) C++11 から
+
 void operator delete[](void* ptr, std::align_val_t alignment, const std::nothrow_t&) noexcept; // (6) C++17 から
 
 void operator delete[](void* ptr, void*) throw();                                       // (7) C++03 まで