diff --git a/src/wireviz/wv_helper.py b/src/wireviz/wv_helper.py
index 966080c..17aede0 100644
--- a/src/wireviz/wv_helper.py
+++ b/src/wireviz/wv_helper.py
@@ -113,8 +113,8 @@ def remove_line_breaks(inp):
     return inp.replace('\n', ' ').rstrip() if isinstance(inp, str) else inp
 
 def open_file_read(filename):
-    # TODO: Intelligently determine encoding
+    # TODO: Intelligently determine encoding (UnicodeDammit, Chardet, cchardet are not very reliable in testing)
     return open(filename, 'r', encoding='UTF-8')
 
 def open_file_write(filename, newline='\n'):
-    return open(filename, 'w', encoding='UTF-8', newline=newline)
\ No newline at end of file
+    return open(filename, 'w', encoding='UTF-8', newline=newline)