diff --git a/README.md b/README.md
index 2c9482fa0..2be451c96 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ git init
 **3. Add `hugo-theme-codex` as a submodule**
 
 ```
-git add submodule https://github.com/jakewies/hugo-theme-codex themes/codex
+git submodule add https://github.com/jakewies/hugo-theme-codex themes/codex
 ```
 
 **4. List `"codex"` as the name of your theme in `config.toml`**