docs: t2 -> t3 callout (#332)

* docs: t2 -> t3 callout

* chore: up

* chore: tweaks

---------

Co-authored-by: Jennifer <jenpaff0@gmail.com>

Author: tmm

src/pages/guide/tempo-transaction/index.mdx

@@ -83,8 +83,13 @@ If you are an EVM smart contract developer, see the [Foundry guide for Tempo](/s
 
 ## Properties
 
-:::info[T3 will change these examples]
-The examples below show the currently active Tempo Transaction shape. T3 changes the access-key examples and parts of the transaction envelope, and the affected lines are called out inline.
+:::info[T3 examples]
+The examples below show the T3 Tempo Transaction shape. If you still support T2, the affected sections include a `T2 -> T3 changes` note with the migration details.
+
+- [Configurable Fee Tokens](#configurable-fee-tokens)
+- [Access Keys](#access-keys)
+
+The examples assume you are using a T3-compatible network and the most recent SDK releases.
 :::
 
 <TempoTxProperties />

src/pages/protocol/transactions/index.mdx

@@ -67,8 +67,13 @@ If you are an EVM smart contract developer, see the [Foundry guide for Tempo](/s
 
 ## Properties
 
-:::info[T3 will change these examples]
-The examples below show the currently active Tempo Transaction shape. T3 changes the access-key examples and parts of the transaction envelope, and the affected lines are called out inline.
+:::info[T3 examples]
+The examples below show the T3 Tempo Transaction shape. If you still support T2, the affected sections include a `T2 -> T3 changes` note with the migration details.
+
+- [Configurable Fee Tokens](#configurable-fee-tokens)
+- [Access Keys](#access-keys)
+
+The examples assume you are using a T3-compatible network and the most recent SDK releases.
 :::
 
 <TempoTxProperties />