diff --git a/mopidy/mpd/exceptions.py b/mopidy/mpd/exceptions.py
index 62e16ec3..6fc925a3 100644
--- a/mopidy/mpd/exceptions.py
+++ b/mopidy/mpd/exceptions.py
@@ -90,7 +90,7 @@ class MpdNotImplemented(MpdAckError):
 
 
 class MpdDisabled(MpdAckError):
-    # NOTE: this is a custom error for mopidy that does not exists in MPD.
+    # NOTE: This is a custom error for Mopidy that does not exist in MPD.
     error_code = 0
 
     def __init__(self, *args, **kwargs):