Update draft-beck-tls-trust-anchor-ids.md

Co-authored-by: Bob Beck <[email protected]>

draft-beck-tls-trust-anchor-ids.md

@@ -483,7 +483,7 @@ This attack vector is available with or without trust anchor negotiation. The ne
 
 As with other TLS parameters, negotiation reduces a conflict between availability and security, which allows PKIs to better mitigate security risks to users. When relying parties in an existing TLS ecosystem improve their certificate policies, trust anchor negotiation helps authenticating parties navigate differences between those relying parties and existing relying parties. Each set of requirements may be satisfied without compatibility risk to the other. {{use-cases}} discusses such scenarios in more detail.
 
-Negotiation also reduces pressures on relying parties to sacrifice user security for compatibility. If a relying party does not trust an authenticating party's current CA, connections between the two will fail until either the relying party trusts the CA or the authenticating party uses a already trusted CA. If the authenticating party is limited to one certificate, switching CAs risks compatibility problems with other relying parties. The relying party then faces compatibility pressure to add this CA, even if it deems the CA a security risk. With trust anchor negotiation, the authenticating party can use its existing CA _in addition to_ another CA trusted by the relying party. This allows the ecosystem to improve interoperability without sacrificing user security.
+Negotiation also reduces pressures on relying parties to sacrifice user security for compatibility. If a relying party does not trust an authenticating party's current CA, connections between the two will fail until either the relying party trusts the CA or the authenticating party uses an already trusted CA. Without trust anchor negotiation, the authenticating party is limited to one certificate, and therefore switching CAs risks compatibility problems with other relying parties. The relying party then faces compatibility pressure to add this CA, even if it deems the CA a security risk. With trust anchor negotiation, the authenticating party can use its existing CA _in addition to_ another CA trusted by the relying party. This allows the ecosystem to improve interoperability without sacrificing user security.
 
 ### Serving Multiple Certificates