Refine documentation for readVnNumber function

This commit adjusts the documentation of the 'readVnNumber' function for clearer understanding. Specifically, a dash was added to the explanation of the 'number' parameter to better distinguish the parameter from its description.

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@hckhanh/vn-number",
-  "version": "1.1.5",
+  "version": "1.1.6",
   "exports": "./src/index.ts",
   "exclude": [
     ".github/",

src/read/index.ts

@@ -12,7 +12,7 @@ import NumberReader from './NumberReader.ts'
  * // output: mười chín triệu chín trăm chín mươi nghìn
  * ```
  *
- * @param number The number to read. It can be string, number or bigint value
+ * @param number - The number to read. It can be string, number or bigint value
  * @return The Vietnamese number in string.
  */
 export function readVnNumber(number: string | number | bigint): string {