diff --git a/README.md b/README.md
index 9b065eb7..2fb2f6f5 100644
--- a/README.md
+++ b/README.md
@@ -98,9 +98,9 @@ npm run construct
 git clone https://github.com/cutls/TheDesk
 cd TheDesk/app
 # Linux or macOS
-yarn install  --no-lockfile
+yarn install --no-lockfile
 # Windows
-yarn install  --no-lockfile
+yarn install
 yarn construct
 ```
 
diff --git a/README_ja.md b/README_ja.md
index 98001e6f..e0ffe7e0 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -97,9 +97,9 @@ npm run construct
 git clone https://github.com/cutls/TheDesk
 cd TheDesk/app
 # Linux or macOS
-yarn install  --no-lockfile
+yarn install --no-lockfile
 # Windows
-yarn install  --no-lockfile
+yarn install
 yarn construct
 ```