diff --git a/man8/ld.so.8 b/man8/ld.so.8
index 41b371ecc..ca3d075a9 100644
--- a/man8/ld.so.8
+++ b/man8/ld.so.8
@@ -233,7 +233,9 @@ Historically, the most common use of the
 feature was to manually select the older
 LinuxThreads POSIX threads implementation on systems that provided both
 LinuxThreads and NPTL
-(which latter was typically the default on such systems).
+(which latter was typically the default on such systems);
+see
+.BR pthreads (7).
 .TP
 .B LD_BIND_NOT
 (glibc since 2.2)