Update README.md

Author: lorenzofiamingo

README.md

@@ -14,7 +14,7 @@ to this:
 CachedAsyncImage(url: logoURL)
 ```
 
-In addition to `AsyncImage` initializers, you have the possibilities to specify the cash you want to use (by default `URLCache.shared` is used), and to use `URLRequest` instead of `URL`:
+In addition to `AsyncImage` initializers, you have the possibilities to specify the cache you want to use (by default `URLCache.shared` is used), and to use `URLRequest` instead of `URL`:
 ```swift
 CachedAsyncImage(urlRequest: logoURLRequest, urlCache: .imageCache)
 ```