diff --git a/README.md b/README.md
index 7002aff..662594a 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,9 @@ Or `gem install capybara-wsl`, but then running it is a bit less straightforward
 ### Important note
 In order for it to work, you have to add `$BROWSER` env variable.
 ###### Example for Firefox
-In your `.bashrc` add:
+In your `.bashrc` add (notice the quotes):
 ```
-export BROWSER='/mnt/c/Program Files/Mozilla Firefox/firefox.exe'
+export BROWSER="'/mnt/c/Program Files/Mozilla Firefox/firefox.exe'"
 ```
 
 ### Usage