fix typo

Author: Julien GASPAR LOPES

src/types.ts

@@ -37,7 +37,7 @@ export type RsiProps<T extends string> = {
   autoMapHeaders?: boolean
   // Headers matching accuracy: 1 for strict and up for more flexible matching
   autoMapDistance?: number
-  // initial Step state to be rendered on load
+  // Initial Step state to be rendered on load
   initialStepState?: StepState
   // Date format to use
   dateFormat?: string