Correct a couple of misspellings.
@@ -5,7 +5,7 @@ NOTE: This document is better viewed at https://docs.openzeppelin.com/contracts/
== List of standardized interfaces
These interfaces are available as `.sol` files, and also as compiler `.json` ABI files (through the npm package). These
-are usefull to interract with third party contracts that implement them.
+are useful to interact with third party contracts that implement them.
- {IERC20}
- {IERC20Metadata}