diff --git a/src/lib/Playground/PlaygroundSyntax.svelte b/src/lib/Playground/PlaygroundSyntax.svelte
index 8a665be5..6e0b6e2d 100644
--- a/src/lib/Playground/PlaygroundSyntax.svelte
+++ b/src/lib/Playground/PlaygroundSyntax.svelte
@@ -20,7 +20,7 @@
 
 <span class="text-textcolor text-lg">Input</span>
 
-<TextAreaInput onInput={onInput} bind:value={input} optimaizedInput={false} />
+<TextAreaInput highlight onInput={onInput} bind:value={input} optimaizedInput={false} />
 
 <span class="text-textcolor text-lg">Result</span>