diff --git a/docs/README.md b/docs/README.md
index f0e477bef535..f33b55bbc90c 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -31,7 +31,7 @@ Then, start doc server in watch mode:
 $ make livedocs
 ```
 
-This command starts a local development server and open up a browser window. Most changes are reflected live without having to restart the server.
+This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
 
 ### Build