diff --git a/docs/footprints/silkscreenrect.mdx b/docs/footprints/silkscreenrect.mdx
index 37d963d..406ced2 100644
--- a/docs/footprints/silkscreenrect.mdx
+++ b/docs/footprints/silkscreenrect.mdx
@@ -12,11 +12,13 @@ import CircuitPreview from "@site/src/components/CircuitPreview"
 
 <CircuitPreview code={`
   export default () => (
+  <board width="5mm" height="5mm">
     <group>
       <footprint>
         <silkscreenrect pcbX={0} pcbY={0} width={1} height={1} />
       </footprint>
     </group>
+  </board>
   )
 `} />
 
@@ -26,6 +28,7 @@ Enable the `filled` prop to create solid silkscreen blocks—useful for alignmen
 
 <CircuitPreview code={`
   export default () => (
+  <board width="5mm" height="5mm">
     <group>
       <footprint name="U1">
         <silkscreenrect pcbX={-1.2} pcbY={0} width={1} height={1} />
@@ -38,5 +41,6 @@ Enable the `filled` prop to create solid silkscreen blocks—useful for alignmen
         />
       </footprint>
     </group>
+  </board>
   )
 `} />