1 files changed, 11 insertions, 13 deletions
diff --git a/docs/pages/advanced/2-structural-renderer.md b/docs/pages/advanced/2-structural-renderer.md
index f31f758..b54af22 100644
--- a/docs/pages/advanced/2-structural-renderer.md
+++ b/docs/pages/advanced/2-structural-renderer.md
@@ -27,6 +27,7 @@ After enabling `StructuralRendererSetup`, use `pack_structural!` instead of `pac
 // Features: ["structural_renderer"]
 // Dependencies:
 // serde = "1"
+@@@use mingling::macros::buffer;
 @@@use mingling::setup::StructuralRendererSetup;
 @@@dispatcher!("render", CMDRender => EntryRender);
  
@@ -37,14 +38,12 @@ pack_structural!(ResultInfo = (String, i32));
 fn handle_render(args: EntryRender) -> Next {
     let name = args.inner.first().cloned().unwrap_or_default();
     let age = args.inner.get(1).and_then(|s| s.parse().ok()).unwrap_or(0);
-    ResultInfo::new((name, age))
+    ResultInfo::new((name, age)).into()
 }
  
-#[renderer]
-fn render_info(r: ResultInfo) -> RenderResult {
-    let mut result = RenderResult::new();
-    writeln!(result, "{:?}", *r).ok();
-    result
+#[renderer(buffer)]
+fn render_info(r: ResultInfo) {
+    r_println!("{:?}", *r);
 }
 ```
  
@@ -62,19 +61,20 @@ When the user passes `--json`, the framework automatically serializes the render
 
 ## Customizing Output Structure
 
-The default output from `pack_structural!` includes an `inner` field. For full control over the output structure, define the type manually with `#[derive(StructuralData, Serialize, Groupped)]`:
+The default output from `pack_structural!` includes an `inner` field. For full control over the output structure, define the type manually with `#[derive(StructuralData, Serialize, Grouped)]`:
 
 ```rust
 // Features: ["structural_renderer"]
 // Dependencies:
 // serde = "1"
+@@@use mingling::macros::buffer;
 @@@use mingling::prelude::*;
 @@@use mingling::setup::StructuralRendererSetup;
 @@@use mingling::StructuralData;
 @@@use serde::Serialize;
 @@@dispatcher!("render", CMDRender => EntryRender);
  
-#[derive(Serialize, StructuralData, Groupped)]
+#[derive(Serialize, StructuralData, Grouped)]
 struct Info {
     name: String,
     age: i32,
@@ -87,11 +87,9 @@ fn handle_render(args: EntryRender) -> Next {
     Info { name, age }.to_render()
 }
  
-#[renderer]
-fn render_info(info: Info) -> RenderResult {
-    let mut r = RenderResult::new();
-    writeln!(r, "{} is {} years old", info.name, info.age).ok();
-    r
+#[renderer(buffer)]
+fn render_info(info: Info) {
+    r_println!("{} is {} years old", info.name, info.age);
 }
 @@@
 @@@fn main() {