diff --git a/adev/src/content/guide/components/inputs.md b/adev/src/content/guide/components/inputs.md
index 9f52894e524..d0f52239409 100644
--- a/adev/src/content/guide/components/inputs.md
+++ b/adev/src/content/guide/components/inputs.md
@@ -85,7 +85,7 @@ export class CustomSlider {
 }
 
 function appendPx(value: number) {
-  return `$(value)px`;
+  return `${value}px`;
 }
 </docs-code>