diff --git a/README.md b/README.md
index 1576cfe..8fce2b1 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ docker build -t true-async-php .
 docker run -it true-async-php bash
 
 # Check TrueAsync module
-docker run --rm true-async-php php -m | grep TrueAsync
+docker run --rm true-async-php php -m | grep true_async
 ```
 
 ### Requirements