diff --git a/chess/pgn.py b/chess/pgn.py
index 55eddbc2..0d0879ae 100644
--- a/chess/pgn.py
+++ b/chess/pgn.py
@@ -143,7 +143,7 @@ class SkipType(enum.Enum):
 
 
 class TimeControlType(enum.Enum):
-    UNKNOW = 0
+    UNKNOWN = 0
     UNLIMITED = 1
     STANDARD = 2
     RAPID = 3
@@ -172,7 +172,7 @@ class TimeControl:
     """
 
     parts: list[TimeControlPart] = dataclasses.field(default_factory=list)
-    type: TimeControlType = TimeControlType.UNKNOW
+    type: TimeControlType = TimeControlType.UNKNOWN
 
 
 class _AcceptFrame: