docs: fix typos and improve phrasing (#1130)

Closes #1128

Author: OrKoN

README.md

@@ -122,7 +122,7 @@ To use the Chrome DevTools MCP server follow the instructions from <a href="http
 
 This will make the Chrome DevTools MCP server automatically connect to the browser that Antigravity is using. If you are not using port 9222, make sure to adjust accordingly.
 
-Chrome DevTools MCP will not start the browser instance automatically using this approach as as the Chrome DevTools MCP server runs in Antigravity's built-in browser. If the browser is not already running, you have to start it first by clicking the Chrome icon at the top right corner.
+Chrome DevTools MCP will not start the browser instance automatically using this approach because the Chrome DevTools MCP server connects to Antigravity's built-in browser. If the browser is not already running, you have to start it first by clicking the Chrome icon at the top right corner.
 
 </details>
 

docs/cli.md

@@ -75,7 +75,7 @@ chrome-devtools lighthouse_audit --mode snapshot
 By default, the CLI outputs a human-readable summary of the tool's result. For programmatic use, you can request raw JSON:
 
 ```sh
-chrome-devtools list_pages --format=json
+chrome-devtools list_pages --output-format=json
 ```
 
 ## Troubleshooting