extend description of P2P to address privacytools#1357

Signed-off-by: Stephen L. <[email protected]>

_includes/sections/instant-messenger.html

@@ -135,7 +135,7 @@ <h2 id="peer-to-peer" class="anchor">
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       <img src="/assets/img/svg/layout/network-distributed.svg" width="150" height="150" class="img-fluid float-left ml-2" alt="Distributed network" />
-      <a href="https://en.wikipedia.org/wiki/Peer-to-peer">Peer-to-peer</a> messengers connect to a <a href="https://en.wikipedia.org/wiki/Distributed_networking">distributed network</a> of nodes to relay messages to the recipient without a third-party server. Clients (peers) usually find each other through the use of a <a href="https://en.wikipedia.org/wiki/Distributed_computing">distributed computing</a> network. Examples of this include <a href="https://en.wikipedia.org/wiki/Distributed_hash_table">DHT (distributed hash table)</a> (used with technologies like <a href="https://en.wikipedia.org/wiki/BitTorrent_(protocol)">torrents</a> and <a href="https://en.wikipedia.org/wiki/InterPlanetary_File_System">IPFS</a>, for example). Another approach is proximity based networks, where a connection is established over WiFi or Bluetooth (for example, Briar or the <a href="https://www.scuttlebutt.nz">Scuttlebutt</a> social networking protocol). Once a peer has found a route to its contact via any of these methods, a direct connection between them is made.
+      <a href="https://en.wikipedia.org/wiki/Peer-to-peer">Peer-to-peer</a> messengers connect to a <a href="https://en.wikipedia.org/wiki/Distributed_networking">distributed network</a> of nodes to relay messages to the recipient without a third-party server. Clients (peers) usually find each other through the use of a <a href="https://en.wikipedia.org/wiki/Distributed_computing">distributed computing</a> network. Examples of this include <a href="https://en.wikipedia.org/wiki/Distributed_hash_table">DHT (distributed hash table)</a> (used with technologies like <a href="https://en.wikipedia.org/wiki/BitTorrent_(protocol)">torrents</a> and <a href="https://en.wikipedia.org/wiki/InterPlanetary_File_System">IPFS</a>, for example). Another approach is proximity based networks, where a connection is established over WiFi or Bluetooth (for example, Briar or the <a href="https://www.scuttlebutt.nz">Scuttlebutt</a> social networking protocol). Once a peer has found a route to its contact via any of these methods, a direct connection between them is made. Although messages are usually encrypted, an observer can still deduce the location and identity of the sender and recipient.
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