diff --git a/share/man/man3/pthread_mutex_timedlock.3 b/share/man/man3/pthread_mutex_timedlock.3
index e4d69dc1cda9..cc53260a17df 100644
--- a/share/man/man3/pthread_mutex_timedlock.3
+++ b/share/man/man3/pthread_mutex_timedlock.3
@@ -31,7 +31,7 @@
 .Nm pthread_mutex_timedlock
 .Nd lock a mutex without blocking indefinitely
 .Sh LIBRARY
-.Lb libc_r
+.Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .In time.h