fix typo

Author: marionbarker

docs/browser/intro-summary.md

@@ -54,7 +54,7 @@
 
 ## Tips and Tricks
 
-The steps to configure for building with a browser requires a lot of focused attention. Take it in steps and take breaks as needed. Some people prefer a video. Some people prefer more detailed steps on a webpage and others only high-level steps.
+The steps to configure for building with a browser require a lot of focused attention. Take it in steps and take breaks as needed. Some people prefer a video. Some people prefer more detailed steps on a webpage and others only high-level steps.
 
 !!! important "How to Ask for Help"
     First time setup should take several hours, but if you are having trouble don't get frustrated: