diff --git a/man2/syscalls.2 b/man2/syscalls.2
index 7ee3da45e..48f39e605 100644
--- a/man2/syscalls.2
+++ b/man2/syscalls.2
@@ -791,4 +791,5 @@ and similarly
 .\" they are today.
 .SH SEE ALSO
 .BR syscall (2),
-.BR unimplemented (2)
+.BR unimplemented (2),
+.BR libc (7)
diff --git a/man7/feature_test_macros.7 b/man7/feature_test_macros.7
index fbb26021c..ed67c478a 100644
--- a/man7/feature_test_macros.7
+++ b/man7/feature_test_macros.7
@@ -437,6 +437,7 @@ Programs should \fInever\fP define these macros directly:
 instead, the appropriate feature test macro(s) from the
 list above should be employed.
 .SH SEE ALSO
+.BR libc (7),
 .BR standards (7)
 .sp
 The section "Feature Test Macros" under
diff --git a/man7/standards.7 b/man7/standards.7
index 1d228db4d..35aeadfbd 100644
--- a/man7/standards.7
+++ b/man7/standards.7
@@ -260,4 +260,5 @@ Further information can be found on the Austin group web site,
 http://www.opengroup.org/austin/ .
 .SH "SEE ALSO"
 .BR feature_test_macros (7),
+.BR libc (7),
 .BR posixoptions (7)