diff --git a/GPT_SoVITS/text/korean.py b/GPT_SoVITS/text/korean.py
index 23dea59..8f28136 100644
--- a/GPT_SoVITS/text/korean.py
+++ b/GPT_SoVITS/text/korean.py
@@ -1,3 +1,5 @@
+# reference: https://github.com/ORI-Muchim/MB-iSTFT-VITS-Korean/blob/main/text/korean.py
+
 import re
 from jamo import h2j, j2hcj
 import ko_pron
@@ -260,4 +262,4 @@ def g2p(text):
     text = re.sub(r'([\u3131-\u3163])$', r'\1.', text)
     # text = "".join([post_replace_ph(i) for i in text])
     text = [post_replace_ph(i) for i in text]
-    return text
\ No newline at end of file
+    return text