diff --git a/doc/howto/usage/cmd_parameter/index_en.md b/doc/howto/usage/cmd_parameter/index_en.md
index c27b572dbece6acdcaf3716fd729a11897934d62..2a96e7e976c43fd69befccd78753cee431ef61bc 100644
--- a/doc/howto/usage/cmd_parameter/index_en.md
+++ b/doc/howto/usage/cmd_parameter/index_en.md
@@ -6,4 +6,3 @@
 * [Use Case](use_case_en.md)
 * [Arguments](arguments_en.md)
 * [Detailed Descriptions](detail_introduction_en.md)
-