diff --git a/docs/json_configuration.md b/docs/json_configuration.md
index 42564e25..c3818f09 100644
--- a/docs/json_configuration.md
+++ b/docs/json_configuration.md
@@ -125,4 +125,4 @@ See [Default ETL Modules](/docs/default_etl_modules.md)
 
 ## How to Implement Additional Modules
 Can implement additional modules if default modules of cliboa are not enough for ETL Processing which would like to implement.
-See [Additional Modules](/docs/additional_modules.md)
\ No newline at end of file
+See [Additional Modules](/docs/additional_etl_modules.md)
\ No newline at end of file
diff --git a/docs/yaml_configuration.md b/docs/yaml_configuration.md
index 2aa3667b..73076762 100644
--- a/docs/yaml_configuration.md
+++ b/docs/yaml_configuration.md
@@ -100,4 +100,4 @@ See [Default ETL Modules](/docs/default_etl_modules.md)
 
 ## How to Implement Additional Modules
 Can implement additional modules if default modules of cliboa are not enough for ETL Processing which would like to implement.
-See [Additional Modules](/docs/additional_modules.md)
\ No newline at end of file
+See [Additional Modules](/docs/additional_etl_modules.md)
\ No newline at end of file