diff --git a/README.md b/README.md
index c3b79ea..83be6b0 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Upper-Case:
 `'0'`, `'1'`, `'2'`, `'3'`, `'4'`, `'5'`, `'6'`, `'7'`, `'8'`, `'9'`, `'A'`, `'B'`, `'C'`, `'D'`, `'E'`, `'F'`.
 
 Persian:  
-`'۰'` [zero], `'۱'` [one], `'۲'` [two], `'۳'` [three], `'۴'` [four], `'۵'` [five], `'۶'` [six], `'۷'` [seven], `'۸'` [eight], `'۹'` [nine], `'ی'` (ye) [ten], `'ک'` (kāf) [eleven], `'ل'` (lâm) [twelve], `'م'` (mim) [thirteen], `'ن'` (nun) [fourteen], `'س'  (sin) [fifteen]
+`'۰'` [zero], `'۱'` [one], `'۲'` [two], `'۳'` [three], `'۴'` [four], `'۵'` [five], `'۶'` [six], `'۷'` [seven], `'۸'` [eight], `'۹'` [nine], `'ی'` (ye) [ten], `'ک'` (kāf) [eleven], `'ل'` (lâm) [twelve], `'م'` (mim) [thirteen], `'ن'` (nun) [fourteen], `'س''`  (sin) [fifteen]
 
 As well as defining you own using function:
 ```go