fix: correct description for delay option (#1175)

src/options.ts

@@ -37,7 +37,7 @@ export interface Options {
 
   /**
    * Between some subsequent inputs like typing a series of characters
-   * the code execution is delayed per `setTimeout` for (at least) `delay` seconds.
+   * the code execution is delayed per `setTimeout` for (at least) `delay` milliseconds.
    * This moves the next changes at least to next macro task
    * and allows other (asynchronous) code to run between events.
    *