diff --git a/lib/libpthread/man/pthread_attr_get_np.3 b/lib/libpthread/man/pthread_attr_get_np.3
index 82e106566b0..ac3dfcb16d8 100644
--- a/lib/libpthread/man/pthread_attr_get_np.3
+++ b/lib/libpthread/man/pthread_attr_get_np.3
@@ -31,7 +31,7 @@
 .Nm pthread_attr_get_np
 .Nd get attributes of existent thread
 .Sh LIBRARY
-.Lb libc_r
+.Lb libpthread
 .Sh SYNOPSIS
 .In pthread_np.h
 .Ft int