Fix typo

Author: tareqtms

README.md

@@ -412,6 +412,6 @@ The custom methods are specific to some resources which may not be available for
 - [Shopify API Reference](https://help.shopify.com/api/reference/)
 
 ## Donation
-If this project help you reduce time to develop, you can donate any amount, which will help us to devote more hours to this project and ensure more frequest updates.
+If this project help you reduce time to develop, you can donate any amount, which will help us to devote more hours to this project and ensure more frequent updates.
 
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