diff --git a/README.md b/README.md
index b25a55b7..f7e49e08 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ other information about the process for free!
 ## Installation
 
 ```
-pip install prometheus_client
+pip install prometheus-client
 ```
 
 This package can be found on