chore: Update content/contracts/5.x/api/index.mdx

Co-authored-by: Eric Lau <ericglau@outlook.com>

Author: stevedylandev

content/contracts/5.x/api/index.mdx

@@ -16,7 +16,7 @@ This API reference is automatically generated from the OpenZeppelin Contracts re
 - [ERC1155](/contracts/5.x/api/token/ERC1155) - Multi-token standard implementation
 
 ### Crosschain
-- [ERC7786](/contracts/5.x/api/crosschain) - Contracts for sending and receiving cross chain messages that follows the ERC-7786 standard.
+- [ERC7786](/contracts/5.x/api/crosschain) - Contracts for sending and receiving crosschain messages
 
 ### Utilities
 - [Utils](/contracts/5.x/api/utils) - General utility functions and contracts