Meta description

Hello there,

Why the meta description that I set in my Yoast plugin are not the sane that appear in google, did I miss something ?

Here some screenshot :

In the Yoast setting :

https://gyazo.com/0ae16f801dcfe6ad7f0efd9253d4e71b

In the google page :

https://gyazo.com/f521f29dd16fe90a6a964f86f70046f2

https://wordpress.org/plugins/wordpress-seo/