diff --git a/webapp/README.md b/webapp/README.md
index 45ee754a..b12432eb 100644
--- a/webapp/README.md
+++ b/webapp/README.md
@@ -2,7 +2,7 @@ To run this app locally, install the requirements and run `shiny run`.
 
 ```
 $ cd webapp
-$ pip install requirements.txt
+$ pip install -r requirements.txt
 $ shiny run
 ```