diff --git a/src/Terminal.ts b/src/Terminal.ts
index 391cd991f..383b73f8f 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -1369,7 +1369,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
 
   /**
    * Writes raw utf8 bytes to the terminal.
-   * @param data The text to write to the terminal.
+   * @param data UintArray with UTF8 bytes to write to the terminal.
    */
   public writeUtf8(data: Uint8Array): void {
     // Ensure the terminal isn't disposed