diff --git a/src/types/modules/pagination.d.ts b/src/types/modules/pagination.d.ts
index a2d210725..909be89e0 100644
--- a/src/types/modules/pagination.d.ts
+++ b/src/types/modules/pagination.d.ts
@@ -120,13 +120,13 @@ export interface PaginationOptions {
    * format fraction pagination current number. Function receives current number,
    * and you need to return formatted value
    */
-  formatFractionCurrent?: (number: number) => number;
+  formatFractionCurrent?: (number: number) => number | string;
 
   /**
    * format fraction pagination total number. Function receives total number, and you
    * need to return formatted value
    */
-  formatFractionTotal?: (number: number) => number;
+  formatFractionTotal?: (number: number) => number | string;
 
   /**
    * This parameter allows totally customize pagination bullets, you need to pass here a function that accepts `index` number of