Click the Grammarly icon in your browser toolbar and ensure "Check for writing suggestions on Google Docs" is enabled.
Suggestions for removing wordiness and making writing more interesting (Premium feature). grammarly - Google Docs
Analyzes the mood of your writing (e.g., professional, friendly) to ensure it matches your intent. Click the Grammarly icon in your browser toolbar
Download Grammarly for Chrome or your preferred browser (Safari, Edge, Firefox). grammarly - Google Docs