diff --git a/reference/random/philox4x32.md b/reference/random/philox4x32.md
index 1447c69d3..b0df428ac 100644
--- a/reference/random/philox4x32.md
+++ b/reference/random/philox4x32.md
@@ -77,6 +77,7 @@ int main()
 ### 言語
 - C++26
 
+### 処理系
 - [Clang](/implementation.md#clang): 19 [mark noimpl]
 - [GCC](/implementation.md#gcc): 14 [mark noimpl]
 - [ICC](/implementation.md#icc): ??
diff --git a/reference/random/philox4x64.md b/reference/random/philox4x64.md
index dc9712842..5ca75d307 100644
--- a/reference/random/philox4x64.md
+++ b/reference/random/philox4x64.md
@@ -77,6 +77,7 @@ int main()
 ### 言語
 - C++26
 
+### 処理系
 - [Clang](/implementation.md#clang): 19 [mark noimpl]
 - [GCC](/implementation.md#gcc): 14 [mark noimpl]
 - [ICC](/implementation.md#icc): ??