diff --git a/README.md b/README.md
index a924aef..5ff90dd 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ submodule update --init` and project directory to pull the required code.
 ```
 git clone https://github.com/farrokhi/dnsdiag.git
 cd dnsdiag
-git submodules update --init
+git submodule update --init
 ```
 
 2. You can alternatively install the package using pip: