The phrase "addition to the navigation" is correct and usable in written English.
It can be used when referring to something that is being added or included in a navigation system or menu, typically in the context of websites or applications.
Example: "We are excited to announce the addition to the navigation that will help users find resources more easily."
Alternatives: "inclusion in the navigation" or "enhancement to the navigation".
This week, amongst a number of changes, we are rolling out a significant addition to the site navigation: a persistent or "sticky" navigation bar across the entire site, designed to help users find their way around theguardian.com with more speed (and less scrolling).
Google will reportedly debut a built-in ad blocking feature for its Chrome browser next year, and now we have the first concrete look at this addition to the web navigation software in action.
In addition to the main navigation, search, or special offer pages, participants could also click on any product to view detailed information about it on a new page.
In addition to the real-time navigation and waypoint logging, our device stores the accumulated distances and run times during which a runner used the device to complete a run.
In addition to the first satellite navigation system, APL can take credit for the first picture from space, which provided the first absolute evidence of the curvature of the Earth; the first spacecraft to land on an asteroid; and the design of the new generation of smaller, more efficient spacecraft that predate NASA's Discovery Program.
In addition to this navigation improvements, Apple worked on major app updates, such as Notes and Maps updates, as well as performance improvements.
In addition to the neural network based navigation, the robot has also to switch between other navigation algorithms to reach the target location in the university campus.
In addition to the display, the aluminium navigation wheel makes browsing the phonebook, call lists and menus easier than ever.
In addition to the new layout and navigation, browsing has been brought to the forefront with the goal of making eBay on mobile a more immersive experience.
