Update for MSC1767

proposals/3554-extensible-events-translatable-messages.md

@@ -2,7 +2,7 @@
 
 [MSC1767](https://github.com/matrix-org/matrix-doc/pull/1767) describes Extensible Events in detail,
 though deliberately does not include schemas for some messaging types. This MSC covers translations
-on `m.markup` content blocks specifically.
+on `m.text` content blocks specifically.
 
 *Rationale*: Splitting the MSCs down into individual parts makes it easier to implement and review in
 stages without blocking other pieces of the overall idea. For example, an issue with the way images
@@ -15,7 +15,7 @@ section for early support of this MSC.
 
 ## Proposal
 
-As defined by MSC1767, `m.markup` currently specifies an array with "representations" for the text
+As defined by MSC1767, `m.text` currently specifies an array with "representations" for the text
 on the event. Clients are expected to find the first representation they can render based on mimetype,
 which can be implicit.
 
@@ -24,7 +24,7 @@ used in a room, such as announcements or other prepared communications. Less com
 (at least without a translation service on the sender's side), the receiving client can use the message
 which matches the user's preferred language.
 
-This MSC adds an additional key, `lang`, to the `m.markup` representation schema and adjusts how a
+This MSC adds an additional key, `lang`, to the `m.text` representation schema and adjusts how a
 client decides upon a representation to include the language in that consideration. The array overall
 is still ordered, which means the sender should also supply the language which fits the scenario best
 as the first item.
@@ -35,7 +35,7 @@ An example:
 {
     "type": "m.message",
     "content": {
-        "m.markup": [
+        "m.text": [
             {
                 "body": "Je suis un poisson",
                 "lang": "fr"
@@ -49,7 +49,7 @@ An example:
 }
 ```
 
-*Note*: `m.markup`'s support for `mimetype` has been excluded from the example for brevity. It is still
+*Note*: `m.text`'s support for `mimetype` has been excluded from the example for brevity. It is still
 supported in events.
 
 By default, messages are assumed to be sent in English (`en`).