Update learn/architecture.md

Co-authored-by: Erin Shaben <eshaben@icloud.com>

Author: ilariae

learn/architecture.md

@@ -25,7 +25,7 @@ Wormhole has several noteworthy components. Before we discuss each component in
 - **Guardian Network** - validators that exist in their own P2P network. Guardians observe and validate the messages emitted by the Core Contract on each supported chain to produce VAAs (signed messages)
 - **[Guardian](#){target=\_blank}** - one of 19 validators in the Guardian Network that contributes to the VAA multi-sig
 - **[Spy](#){target=\_blank}** - a daemon that subscribes to messages published within the Guardian Network. A Spy can observe and forward network traffic, which helps scale up VAA distribution
-- **[API](#){target=\_blank}** - a REST server to retrieve details for a VAA or the guardian network
+- **[API](#){target=\_blank}** - a REST server to retrieve details for a VAA or the Guardian Network
 - **[VAAs](/learn/infrastructure/vaas/){target=\_blank}** - verifiable Action Approvals (VAAs) are the signed attestation of an observed message from the wormhole core contract.
 - **[Relayer](#){target=\_blank}** - any off-chain process that relays a VAA to the target chain
     - **Standard Relayers** - a decentralized relayer network that delivers messages that are requested on-chain via the Wormhole Relay Contract. Also referred to as Generic Relayers