diff --git a/reference/fstream/basic_fstream/close.md b/reference/fstream/basic_fstream/close.md
index 64a0dc6075..c84a759260 100644
--- a/reference/fstream/basic_fstream/close.md
+++ b/reference/fstream/basic_fstream/close.md
@@ -14,7 +14,7 @@ void close();
 
 ## 効果
 
-[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値が戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
+[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
 
 ## 例
 
diff --git a/reference/fstream/basic_ifstream/close.md b/reference/fstream/basic_ifstream/close.md
index e9eabef8de..bf0ecf6411 100644
--- a/reference/fstream/basic_ifstream/close.md
+++ b/reference/fstream/basic_ifstream/close.md
@@ -14,7 +14,7 @@ void close();
 
 ## 効果
 
-[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値が戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
+[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
 
 ## 例
 
diff --git a/reference/fstream/basic_ofstream/close.md b/reference/fstream/basic_ofstream/close.md
index 30a146070b..64bad9b650 100644
--- a/reference/fstream/basic_ofstream/close.md
+++ b/reference/fstream/basic_ofstream/close.md
@@ -14,7 +14,7 @@ void close();
 
 ## 効果
 
-[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値が戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
+[`rdbuf()->close()`](/reference/fstream/basic_filebuf/close.md)を呼び出す。その戻り値がヌルポインタだった場合、[`setstate(failbit)`](/reference/ios/basic_ios/setstate.md)を呼び出す。
 
 ## 例