diff --git a/.github/instructions/docs-style.instructions.md b/.github/instructions/docs-style.instructions.md
index 32ea46fbf..7f586e85d 100644
--- a/.github/instructions/docs-style.instructions.md
+++ b/.github/instructions/docs-style.instructions.md
@@ -49,7 +49,7 @@ When a callout applies to a specific language, put the qualifier as bold text in
 
 ```markdown
 > [!TIP]
-> **(Python / Go)** These SDKs use a single `Data` class/struct with all fields optional.
+> **(Python / Go)** These SDKs use separate, per-event data types.
 ```
 
 ## Lists
diff --git a/docs/features/streaming-events.md b/docs/features/streaming-events.md
index 69e12e6dc..e5f140260 100644
--- a/docs/features/streaming-events.md
+++ b/docs/features/streaming-events.md
@@ -210,7 +210,7 @@ session.on(AssistantMessageDeltaEvent.class, event ->
 </details>
 
 > [!TIP]
-> **(Python / Go)** These SDKs use a single `Data` class/struct with all possible fields as optional/nullable. Only the fields listed in the tables below are populated for each event type—the rest will be `None` / `nil`.
+> **(Python / Go)** These SDKs use separate, per-event data types (for example, `AssistantMessageDeltaData`), so only the relevant fields exist on each type.
 >
 > [!TIP]
 > **(.NET)** The .NET SDK uses separate, strongly-typed data classes per event (e.g., `AssistantMessageDeltaData`), so only the relevant fields exist on each type.