Update README.md

Co-authored-by: Sebastian Benz <sbenz@google.com>

Author: OrKoN

README.md

@@ -209,7 +209,7 @@ the browser is closed.
 
 ### Operating system sandboxes
 
-Some MCP clients allow sandboxing the MCP server using MacOS Seatbelt or linux
+Some MCP clients allow sandboxing the MCP server using macOS Seatbelt or Linux
 containers. If sandboxes are enabled, `chrome-devtools-mcp` is not able to start
 Chrome that requires permissions to create its own sandboxes. As a workaround,
 either disable sandboxing for `chrome-devtools-mcp` in your MCP client or use