Editorial: use unicode name/code for currencies in note

index.html

@@ -1677,9 +1677,19 @@ <h2>
             alphabetic code (i.e., the numeric codes are not supported). Their
             canonical form is upper case. However, the set of combinations of
             currency code for which localized currency symbols are available is
-            implementation dependent. Where a localized currency symbol is not
-            available, a user agent SHOULD use U+00A4 (¤) for formatting. User
-            agents MAY format the display of the
+            implementation dependent.
+          </p>
+          <p>
+            Currency symbols can be ambiguous due to use across a number of
+            different currencies (e.g., "$" could mean any of USD, AUD, NZD,
+            CAD, and so on.). When displaying a monetary value, it is
+            RECOMMENDED that user agents display the currency code.
+          </p>
+          <p>
+            Further, when displaying a monetary value, it is OPTIONAL for user
+            agents to display currency symbols. User agent that display
+            currency symbols MAY use U+00A4 (¤) when a currency symbol is not
+            available. User agents MAY format the display of the
             {{PaymentCurrencyAmount/currency}} member to adhere to OS
             conventions (e.g., for localization purposes).
           </p>
@@ -1699,10 +1709,12 @@ <h2>
               [[ISO4217]] list (e.g., XBT, XRP, etc.). If the provided code is
               a currency that the browser knows how to display, then an
               implementation will generally display the appropriate currency
-              symbol in the user interface (e.g., "USD" is shown as "$", "GBP"
-              is "£", and the non-standard "XBT" could be shown as "Ƀ"). When a
-              code cannot be matched, the specification recommends browsers
-              show a scarab "¤".
+              symbol in the user interface (e.g., "USD" is shown as U+0024
+              Dollar Sign ($), "GBP" is U+00A3 Pound Sign (£), and the
+              non-standard "XBT" could be shown as U+0243 Latin Capital Letter
+              B with Stroke (Ƀ)). When a code cannot be matched, the
+              specification recommends browsers show a U+00A4 Currency Sign
+              (¤).
             </p>
             <p>
               Efforts are underway at ISO to account for digital currencies,