Merge pull request #9125 from electron/fix-chrome-upgrade-link

Fix link to the Upgrading Chrome doc

docs/README.md

@@ -103,6 +103,6 @@ an issue:
 * [Debug Instructions (Windows)](development/debug-instructions-windows.md)
 * [Setting Up Symbol Server in debugger](development/setting-up-symbol-server.md)
 * [Documentation Styleguide](styleguide.md)
-* [Updating Chrome](development/updating-chrome.md)
+* [Upgrading Chrome](development/upgrading-chrome.md)
 * [Chromium Development](development/chromium-development.md)
 * [V8 Development](development/v8-development.md)