From a6bb05471fec84718c9b18e42169ba0709b0e5ba Mon Sep 17 00:00:00 2001
From: "Eric A. Meyer" <eric@meyerweb.com>
Date: Tue, 24 Mar 2026 10:02:13 -0400
Subject: [PATCH 1/3] Change MonetizationCurrencyAmount per issue #440

---
 specification/index.html | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/specification/index.html b/specification/index.html
index 7de9bbbc..79a3d327 100644
--- a/specification/index.html
+++ b/specification/index.html
@@ -574,10 +574,20 @@ <h2>
           <dfn>currency</dfn> member
         </h2>
         <p>
-          The currency of the MonetizationCurrencyAmount. See the definition of
-          the `currency` member of {{PaymentCurrencyAmount}} in
+          The currency of the MonetizationCurrencyAmount. The default is an
+          ISO 4217 three-letter alphabetic code; see the definition of the
+          `currency` member of {{PaymentCurrencyAmount}} in
           [[payment-request]] for details.
         </p>
+        <aside class="note" title="">
+          <p>
+            This member’s definition is left as a generic string to maximize
+            flexibility; for example, if a new currency representation
+            standard emerges to supplement or replace ISO 4217. This also
+            permits Web Monetization implementors to support the numeric
+            ISO 4217 codes (as string equivalents) where needed.
+          </p>
+        </aside>
       </section>
       <section>
         <h2>
@@ -585,7 +595,7 @@ <h2>
         </h2>
         <p>
           The amount of the MonetizationAmount. See the definition of the
-          `value` member in of {{PaymentCurrencyAmount}} in [[payment-request]]
+          `value` member of {{PaymentCurrencyAmount}} in [[payment-request]]
           for details.
         </p>
       </section>

From 458c39416817a265a6b24a44e952fa084da404c7 Mon Sep 17 00:00:00 2001
From: "Eric A. Meyer" <eric@meyerweb.com>
Date: Tue, 24 Mar 2026 10:04:27 -0400
Subject: [PATCH 2/3] Change MonetizationCurrencyAmount per issue #440

---
 specification/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/specification/index.html b/specification/index.html
index 79a3d327..b5635843 100644
--- a/specification/index.html
+++ b/specification/index.html
@@ -579,7 +579,7 @@ <h2>
           `currency` member of {{PaymentCurrencyAmount}} in
           [[payment-request]] for details.
         </p>
-        <aside class="note" title="">
+        <aside class="note" title="Departure from the Payment Request API">
           <p>
             This member’s definition is left as a generic string to maximize
             flexibility; for example, if a new currency representation

From 2e32312a4903d81ed5b7b6c0c148ae0f4e5670cb Mon Sep 17 00:00:00 2001
From: "Eric A. Meyer" <eric@meyerweb.com>
Date: Tue, 7 Apr 2026 07:03:01 -0400
Subject: [PATCH 3/3] Update specification/index.html

Co-authored-by: Sid Vishnoi <8426945+sidvishnoi@users.noreply.github.com>
---
 specification/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/specification/index.html b/specification/index.html
index 5e2e6bf3..e9c976ca 100644
--- a/specification/index.html
+++ b/specification/index.html
@@ -587,7 +587,7 @@ <h2>
           `currency` member of {{PaymentCurrencyAmount}} in
           [[payment-request]] for details.
         </p>
-        <aside class="note" title="Departure from the Payment Request API">
+        <aside class="note" title="Divergence from the Payment Request API">
           <p>
             This member’s definition is left as a generic string to maximize
             flexibility; for example, if a new currency representation