Sometimes you install a plugin but when checking the plugin settings page you see it is different with the settings page in the guiding documents. Your browser may has cache, clear cache to see the settings page clear.
Chrome: Clear Browsing Data
In Google Chrome, clearing the cache is done via the Clear browsing data area in Settings. From there, check Cached images and files (as well as anything else you want to remove) and then tap or click the CLEAR BROWSING DATA button.
Assuming you’re using a keyboard, the quickest way to Clear browsing data is via the Ctrl+Shift+Del keyboard shortcut.
Without a keyboard, tap or click the Menu button (the icon with three stacked dots) followed by Advance and finally Clear browsing data….
See How to Clear the Cache in Chrome [ ] for more details.
Tip: Choose the beginning of time from the Clear the following items from the option at the top of the Clear browsing data window to make sure you get everything.