fixup! feat: add script to get in chain tx cbor from tx id

Author: iccicci

README.md

@@ -137,7 +137,7 @@ for you.
 nix run .#config-update
 ```
 
-## Get CBOR representation of an in chain transaction
+## Get CBOR representation of an on chain transaction
 
 Once we have a [running network](packages/cardano-services/README.md#production) synced at least up to the block
 containing the transaction we are interested in, issue following command to get the CBOR representation of the
@@ -147,7 +147,7 @@ transaction.
 yarn tx-cbor <txId>
 ```
 
-This works regardless from the local ports configuration through environment variables.
+This works regardless of the local ports configuration through environment variables.
 
 ## Attic