My snippet of my site in google is not modified

Hello,

Thank you for contacting the support, and sorry for any inconvenience that might have been caused due to that.

Please check if your title/description is properly set up in the page source:
https://i.rankmath.com/HwXR1o

You can use this tool for the same as well: https://www.heymeta.com/

If it matches your settings, then you must check if Google has seen the changes already or not.
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For that, please check when the Google cache was updated for that page:
a.

b.

If the cache date is from before adding the new meta description, then you just have to wait for Google to re-crawl and re-index the page with the new info.
​
​Do note that if everything’s fine and Google still decides to show a different meta description for your search keyword, there is nothing you can do as Google sometimes ignores the custom meta info altogether and show something from the page’s content that matches the search intent better.

The best you can do is optimize your meta description to try and match the intent of the search/keyword.

You can read more about it here
https://support.google.com/webmasters/answer/35624?hl=en

Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.