Update docs/pos/reference/rpc-endpoints.md

Co-authored-by: kmurphypolygon <149679879+kmurphypolygon@users.noreply.github.com>

Author: EmpieichO

docs/pos/reference/rpc-endpoints.md

@@ -6,7 +6,7 @@ This guide provides an index of network details for the Polygon Mumbai Testnet a
 
 The Mumbai testnet serves as a replica of the Polygon mainnet and is primarily used for testing. Obtain testnet tokens from the [faucet](https://faucet.polygon.technology/). Note that these tokens hold no value and differ from MATIC.
 
-| Properties       | Network Details                                                                                     |
+| Properties       | Network details                                                                                     |
 | ---------------- | -------------------------------------------------------------------------------------------------- |
 | Network name     | **Mumbai**                                                                                          |
 | Parent chain     | **[Goërli](https://goerli.net/)**                                                                   |