Fixing links in Concepts>Events doc (#3328)
Fixing links in Concepts>Events doc (#3328)

* [Docs] Fixing only links.

* [Docs] Endpoint link fixed

* [Docs] Fixing the fix.
aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core