Unable to change Homepage meta description

I am creating my website yagyasolanki.com and in that i have installed your plugin . In that i used a template for home page in astra theme but the main problem is the meta description which comes with the template remains same for my website but i dont want that meta description because it does not with my niche. So I am unable to change the mera description of homepage in my website.
For this reason i have tried other SEO option and their is option of changing the meta description but in yours i am unable to find out.
If you have any option to change the meta description in your pluin so kindly help me unless i have to go with other SEO plugins
I want to change this which is given below
<meta name=”description” content=”Hello I Am Nutritionist Lucie Anderson Facilisis tempore convallis! Arcu deserunt potenti, proident ex aliquam ratione architecto sem mollitia, dictum eros. Get Your FREE Hormone Balancing Meal Plan Previous Next 15 Years Of Experience As A Personal Trainer And Nutrition. Laboris optio est commodo aliqua ante purus beatae reprehenderit, temporibus dolore atione anr condimentum conubia … Home Read More »”/>