diff --git a/lib/libc/sys/_umtx_op.2 b/lib/libc/sys/_umtx_op.2
index e0b16486d552..20d75eec74bb 100644
--- a/lib/libc/sys/_umtx_op.2
+++ b/lib/libc/sys/_umtx_op.2
@@ -99,7 +99,7 @@ The constants are defined for special values:
 .It Dv UMUTEX_UNOWNED
 Zero, the value stored in the unowned lock.
 .It Dv UMUTEX_CONTESTED
-The contenion indicator.
+The contention indicator.
 .It Dv UMUTEX_RB_OWNERDEAD
 A thread owning the robust mutex terminated.
 The mutex is in unlocked state.