diff --git a/draft-ietf-privacypass-architecture.md b/draft-ietf-privacypass-architecture.md
index b7660699..d4293a5c 100644
--- a/draft-ietf-privacypass-architecture.md
+++ b/draft-ietf-privacypass-architecture.md
@@ -1041,7 +1041,7 @@ the tracked Client it would set the bit to `1`, and `0` otherwise. Adding
 additional bits provides an exponential increase in tracking granularity
 similarly to introducing more Issuers (though with more potential targeting).
 
-For this reason, deployments should take amount of metadata used by an Issuer
+For this reason, deployments should take the amount of metadata used by an Issuer
 in creating redemption tokens must into account -- together with the bits
 of information that Issuers may learn about Clients otherwise. Since this
 metadata may be useful for practical deployments of Privacy Pass, Issuers