diff --git a/show_math.py b/show_math.py
index 70d031188..80fa881d1 100644
--- a/show_math.py
+++ b/show_math.py
@@ -1,3 +1,5 @@
+# This program is written by: https://github.com/polarwinkel/mdtex2html
+
 from latex2mathml.converter import convert as tex2mathml
 import re
 
@@ -75,4 +77,4 @@ def convert(mdtex, extensions=[], splitParagraphs=True):
             result = convert(parts[0]+mathml+incomplete, extensions, splitParagraphs=False)
     if not found:
         result = mdtex
-    return result
\ No newline at end of file
+    return result