diff --git a/src/edge_tts/communicate.py b/src/edge_tts/communicate.py
index bef02fa..595e7e9 100644
--- a/src/edge_tts/communicate.py
+++ b/src/edge_tts/communicate.py
@@ -248,7 +248,7 @@ class Communicate:
         # Possible values for voice are:
         # - Microsoft Server Speech Text to Speech Voice (cy-GB, NiaNeural)
         # - cy-GB-NiaNeural
-	# - fil-PH-AngeloNeural
+        # - fil-PH-AngeloNeural
         # Always send the first variant as that is what Microsoft Edge does.
         if not isinstance(voice, str):
             raise TypeError("voice must be str")