diff --git a/docs/tesseract_lang_list.md b/docs/tesseract_lang_list.md
index 6a70e0d..17fd6f1 100644
--- a/docs/tesseract_lang_list.md
+++ b/docs/tesseract_lang_list.md
@@ -25,6 +25,7 @@ The `lang` property of the options object passed to `Tesseract.recognize` can ha
 | 'equ'     | Math                  | 
 | 'est'     | Estonian              | 
 | 'eus'     | Basque                | 
+| 'fas'     |Persian (Farsi)        |
 | 'fin'     | Finnish               | 
 | 'fra'     | French                | 
 | 'frk'     | Frankish              |