Update README.md

Author: OxylabsOrg

README.md

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 # Guide to Using Google Sheets for Basic Web Scraping
 
-[![Oxylabs promo code](https://user-images.githubusercontent.com/129506779/250792357-8289e25e-9c36-4dc0-a5e2-2706db797bb5.png)](https://oxylabs.go2cloud.org/aff_c?offer_id=7&aff_id=877&url_id=112)
+[![Oxylabs promo code](https://raw.githubusercontent.com/oxylabs/product-integrations/refs/heads/master/Affiliate-Universal-1090x275.png)](https://oxylabs.go2cloud.org/aff_c?offer_id=7&aff_id=877&url_id=112)
 
 
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