diff --git a/lib/web_ui/dev/README.md b/lib/web_ui/dev/README.md
index ec28a82ca..86e06ccde 100644
--- a/lib/web_ui/dev/README.md
+++ b/lib/web_ui/dev/README.md
@@ -32,10 +32,12 @@ If you are a Google employee, you can use an internal instance of Goma to parall
 
 ## Running web engine tests
 To run all tests on Chrome:
+
 ```
 felt test
 ```
-To run tests on Firefox (this will work on a Linux device):
+
+To run tests on Firefox (this will work only on a Linux device):
 
 ```
 felt test --browser=firefox