diff --git a/doc/build.md b/doc/build.md
index 158c0ed8ff..85a4728e98 100644
--- a/doc/build.md
+++ b/doc/build.md
@@ -98,8 +98,8 @@ For help on grin commands and their switches, try:
 
 ```sh
 grin help
-grin wallet help
-grin client help
+grin wallet --help
+grin client --help
 ```
 
 ## Docker
diff --git a/doc/build_ES.md b/doc/build_ES.md
index 6d60de979d..ef2e92158e 100644
--- a/doc/build_ES.md
+++ b/doc/build_ES.md
@@ -87,8 +87,8 @@ Para obtener ayuda sobre los comandos de grin y sus cambios intente:
 
 ```sh
 grin help
-grin wallet help
-grin client help
+grin wallet --help
+grin client --help
 ```
 
 ## Docker
diff --git a/doc/build_JP.md b/doc/build_JP.md
index e276b447bc..7b2f48a098 100644
--- a/doc/build_JP.md
+++ b/doc/build_JP.md
@@ -93,8 +93,8 @@ grinは気の利いたデフォルト設定で起動するようになってお
 
 ```sh
 grin help
-grin wallet help
-grin client help
+grin wallet --help
+grin client --help
 ```
 
 ## Docker
diff --git a/doc/build_KR.md b/doc/build_KR.md
index fbfeee1c4f..8fe5f15053 100644
--- a/doc/build_KR.md
+++ b/doc/build_KR.md
@@ -94,8 +94,8 @@ Grin을 작동시키는 명령어에 대한 도움말은 다음 명령어를 실
 
 ```sh
 grin help
-grin wallet help
-grin client help
+grin wallet --help
+grin client --help
 ```
 
 ## Docker 사용하기