docs: update dead link to record interface source (#3066)

Refs: #2947

Author: lipsyre

packages/peer-record/README.md

@@ -30,13 +30,13 @@ Libp2p nodes need to store data in a public location (e.g. a DHT), or rely on po
 
 Libp2p provides an all-purpose data container called **envelope**. It was created to enable the distribution of verifiable records, which we can prove originated from the addressed peer itself. The envelope includes a signature of the data, so that its authenticity is verified.
 
-This envelope stores a marshaled record implementing the [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record/index.ts). These Records are designed to be serialized to bytes and placed inside of the envelopes before being shared with other peers.
+This envelope stores a marshaled record implementing the [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record.ts). These Records are designed to be serialized to bytes and placed inside of the envelopes before being shared with other peers.
 
 You can read further about the envelope in [RFC 0002 - Signed Envelopes](https://github.com/libp2p/specs/blob/master/RFC/0002-signed-envelopes.md). For the original discussion about it you can look at the PR that was used to create it: [libp2p/specs#217](https://github.com/libp2p/specs/pull/217).
 
 ## Example - Creating a peer record
 
-Create an envelope with an instance of an [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record/index.ts) implementation and prepare it for being exchanged:
+Create an envelope with an instance of an [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record.ts) implementation and prepare it for being exchanged:
 
 ```TypeScript
 import { PeerRecord, RecordEnvelope } from '@libp2p/peer-record'

packages/peer-record/src/index.ts

@@ -7,13 +7,13 @@
  *
  * Libp2p provides an all-purpose data container called **envelope**. It was created to enable the distribution of verifiable records, which we can prove originated from the addressed peer itself. The envelope includes a signature of the data, so that its authenticity is verified.
  *
- * This envelope stores a marshaled record implementing the [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record/index.ts). These Records are designed to be serialized to bytes and placed inside of the envelopes before being shared with other peers.
+ * This envelope stores a marshaled record implementing the [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record.ts). These Records are designed to be serialized to bytes and placed inside of the envelopes before being shared with other peers.
  *
  * You can read further about the envelope in [RFC 0002 - Signed Envelopes](https://github.com/libp2p/specs/blob/master/RFC/0002-signed-envelopes.md). For the original discussion about it you can look at the PR that was used to create it: [libp2p/specs#217](https://github.com/libp2p/specs/pull/217).
  *
  * @example Creating a peer record
  *
- * Create an envelope with an instance of an [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record/index.ts) implementation and prepare it for being exchanged:
+ * Create an envelope with an instance of an [interface-record](https://github.com/libp2p/js-libp2p/blob/main/packages/interface/src/record.ts) implementation and prepare it for being exchanged:
  *
  * ```TypeScript
  * import { PeerRecord, RecordEnvelope } from '@libp2p/peer-record'