diff --git a/README.md b/README.md
index 28845025e2..2838a94466 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ npm install --save-dev docusaurus
 or
 
 ```
-yarn add docusaurus -dev
+yarn add docusaurus --dev
 ```
 
 ## Configuration