docs: fix dead links, closes #1608

docs/spec/p2p/node.md

@@ -12,7 +12,7 @@ Seeds should operate full nodes with the PEX reactor in a "crawler" mode
 that continuously explores to validate the availability of peers.
 
 Seeds should only respond with some top percentile of the best peers it knows about.
-See [the peer-exchange docs](/docs/specification/new-spec/reactors/pex/pex.md)for details on peer quality.
+See [the peer-exchange docs](../reactors/pex/pex.md)for details on peer quality.
 
 ## New Full Node
 

docs/spec/p2p/peer.md

@@ -2,7 +2,7 @@
 
 This document explains how Tendermint Peers are identified and how they connect to one another.
 
-For details on peer discovery, see the [peer exchange (PEX) reactor doc](/docs/specification/new-spec/reactors/pex/pex.md).
+For details on peer discovery, see the [peer exchange (PEX) reactor doc](../reactors/pex/pex.md).
 
 ## Peer Identity
 

p2p/README.md

@@ -4,8 +4,8 @@ The p2p package provides an abstraction around peer-to-peer communication.
 
 Docs:
 
-- [Connection](../docs/specification/new-spec/p2p/connection.md) for details on how connections and multiplexing work
-- [Peer](../docs/specification/new-spec/p2p/peer.md) for details on peer ID, handshakes, and peer exchange
-- [Node](../docs/specification/new-spec/p2p/node.md) for details about different types of nodes and how they should work
-- [Pex](../docs/specification/new-spec/p2p/pex.md) for details on peer discovery and exchange
-- [Config](../docs/specification/new-spec/p2p/config.md) for details on some config option
+- [Connection](../docs/spec/p2p/connection.md) for details on how connections and multiplexing work
+- [Peer](../docs/spec/p2p/peer.md) for details on peer ID, handshakes, and peer exchange
+- [Node](../docs/spec/p2p/node.md) for details about different types of nodes and how they should work
+- [Pex](../docs/spec/reactors/pex/pex.md) for details on peer discovery and exchange
+- [Config](../docs/spec/p2p/config.md) for details on some config option