diff --git a/README.md b/README.md
index 91a2e8c..f379868 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ Available options for `marimo-embed`:
 
 - `height`: Named sizes (`small`, `medium`, `large`, `xlarge`, `xxlarge`) or custom pixel values (e.g. `500px`) (default: medium)
 - `mode`: read, edit (default: read)
-- `app_width`: wide, full, compact (default: wide)
+- `app_width`: medium, full, compact (default: medium)
 
 You can also embed marimo files directly:
 
diff --git a/docs/getting-started/blocks.md b/docs/getting-started/blocks.md
index 58202f0..92ac716 100644
--- a/docs/getting-started/blocks.md
+++ b/docs/getting-started/blocks.md
@@ -26,7 +26,7 @@ Here's a simple example of embedding a marimo notebook using blocks:
 /// marimo-embed
     height: 400px
     mode: read
-    app_width: wide
+    app_width: medium
 
 ```python
 @app.cell
@@ -49,7 +49,7 @@ def __():
 /// marimo-embed
     height: 400px
     mode: read
-    app_width: wide
+    app_width: medium
 
 ```python
 @app.cell
@@ -76,7 +76,7 @@ Here's an example with an interactive plot:
 /// marimo-embed
     height: 800px
     mode: read
-    app_width: wide
+    app_width: medium
 
 ```python
 @app.cell
@@ -114,7 +114,7 @@ def __():
 /// marimo-embed
     height: 800px
     mode: read
-    app_width: wide
+    app_width: medium
 
 ```python
 @app.cell
@@ -155,7 +155,7 @@ Here's an example that hides the code:
 /// marimo-embed
     height: 400px
     mode: read
-    app_width: wide
+    app_width: medium
     include_code: false
 
 ```python
@@ -183,7 +183,7 @@ def __():
 | --- | --- | --- |
 | `height` | Controls the height of the embed | - Named sizes: `small` (300px), `medium` (400px), `large` (600px),<br> `xlarge` (800px), `xxlarge` (1000px)<br>- Custom size: Any pixel value (e.g. `500px`) |
 | `mode` | Controls the interaction mode | - `read`: Read-only view (default)<br>- `edit`: Allows editing the code |
-| `app_width` | Controls the width of the marimo app | - `wide`: Standard width (default)<br>- `full`: Full width<br>- `compact`: Narrow width |
+| `app_width` | Controls the width of the marimo app | - `medium`: Standard width (default)<br>- `full`: Full width<br>- `compact`: Narrow width |
 | `include_code` | Controls whether code is included in the embed | - `true`: Show code (default)<br>- `false`: Hide code |
 
 ### marimo-embed-file
diff --git a/docs/getting-started/quick-start.md b/docs/getting-started/quick-start.md
index 589a326..816d9bd 100644
--- a/docs/getting-started/quick-start.md
+++ b/docs/getting-started/quick-start.md
@@ -66,7 +66,7 @@ pip install pymdown-extensions
 /// marimo-embed
     height: 400px
     mode: read
-    app_width: wide
+    app_width: medium
 
 ```python
 @app.cell
diff --git a/mkdocs_marimo/blocks.py b/mkdocs_marimo/blocks.py
index 70abe97..97776f4 100644
--- a/mkdocs_marimo/blocks.py
+++ b/mkdocs_marimo/blocks.py
@@ -76,7 +76,7 @@ class MarimoEmbedBlock(BaseMarimoBlock):
     NAME: str = "marimo-embed"
     OPTIONS: Dict[str, List[Union[str, Any]]] = {
         **BaseMarimoBlock.OPTIONS,
-        "app_width": ["wide", type_string_in(["wide", "full", "compact"])],
+        "app_width": ["medium", type_string_in(["medium", "full", "compact"])],
     }
 
     def on_end(self, block: etree.Element) -> None:
@@ -143,7 +143,7 @@ def uri_encode_component(code: str) -> str:
 def create_marimo_app_code(
     *,
     code: str,
-    app_width: str = "wide",
+    app_width: str = "medium",
 ) -> str:
     header = "\n".join(
         [