diff --git a/lib/libc/gen/sem_destroy.3 b/lib/libc/gen/sem_destroy.3
index 12524f90b410..c79b55818c69 100644
--- a/lib/libc/gen/sem_destroy.3
+++ b/lib/libc/gen/sem_destroy.3
@@ -63,7 +63,8 @@ There are currently threads blocked on the semaphore that
 points to.
 .El
 .Sh SEE ALSO
-.Xr sem_init 3
+.Xr sem_init 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_destroy
 conforms to
diff --git a/lib/libc/gen/sem_getvalue.3 b/lib/libc/gen/sem_getvalue.3
index 6ccff5c5121f..9517ffb39509 100644
--- a/lib/libc/gen/sem_getvalue.3
+++ b/lib/libc/gen/sem_getvalue.3
@@ -61,7 +61,8 @@ points to an invalid semaphore.
 .Sh SEE ALSO
 .Xr sem_post 3 ,
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_getvalue
 conforms to
diff --git a/lib/libc/gen/sem_init.3 b/lib/libc/gen/sem_init.3
index fd517c224a03..f9eec780282d 100644
--- a/lib/libc/gen/sem_init.3
+++ b/lib/libc/gen/sem_init.3
@@ -80,7 +80,8 @@ Unable to initialize a shared semaphore.
 .Xr sem_destroy 3 ,
 .Xr sem_post 3 ,
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_init
 conforms to
diff --git a/lib/libc/gen/sem_post.3 b/lib/libc/gen/sem_post.3
index 71b9f43376a0..33348657322f 100644
--- a/lib/libc/gen/sem_post.3
+++ b/lib/libc/gen/sem_post.3
@@ -63,7 +63,8 @@ points to an invalid semaphore.
 .El
 .Sh SEE ALSO
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_post
 conforms to
diff --git a/lib/libc/gen/sem_wait.3 b/lib/libc/gen/sem_wait.3
index c89ea04a098b..84a17b3a4d43 100644
--- a/lib/libc/gen/sem_wait.3
+++ b/lib/libc/gen/sem_wait.3
@@ -77,7 +77,8 @@ will fail if:
 The semaphore value was zero, and thus could not be decremented.
 .El
 .Sh SEE ALSO
-.Xr sem_post 3
+.Xr sem_post 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_wait
 and
diff --git a/lib/libc_r/man/sem_destroy.3 b/lib/libc_r/man/sem_destroy.3
index 12524f90b410..c79b55818c69 100644
--- a/lib/libc_r/man/sem_destroy.3
+++ b/lib/libc_r/man/sem_destroy.3
@@ -63,7 +63,8 @@ There are currently threads blocked on the semaphore that
 points to.
 .El
 .Sh SEE ALSO
-.Xr sem_init 3
+.Xr sem_init 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_destroy
 conforms to
diff --git a/lib/libc_r/man/sem_getvalue.3 b/lib/libc_r/man/sem_getvalue.3
index 6ccff5c5121f..9517ffb39509 100644
--- a/lib/libc_r/man/sem_getvalue.3
+++ b/lib/libc_r/man/sem_getvalue.3
@@ -61,7 +61,8 @@ points to an invalid semaphore.
 .Sh SEE ALSO
 .Xr sem_post 3 ,
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_getvalue
 conforms to
diff --git a/lib/libc_r/man/sem_init.3 b/lib/libc_r/man/sem_init.3
index fd517c224a03..f9eec780282d 100644
--- a/lib/libc_r/man/sem_init.3
+++ b/lib/libc_r/man/sem_init.3
@@ -80,7 +80,8 @@ Unable to initialize a shared semaphore.
 .Xr sem_destroy 3 ,
 .Xr sem_post 3 ,
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_init
 conforms to
diff --git a/lib/libc_r/man/sem_post.3 b/lib/libc_r/man/sem_post.3
index 71b9f43376a0..33348657322f 100644
--- a/lib/libc_r/man/sem_post.3
+++ b/lib/libc_r/man/sem_post.3
@@ -63,7 +63,8 @@ points to an invalid semaphore.
 .El
 .Sh SEE ALSO
 .Xr sem_trywait 3 ,
-.Xr sem_wait 3
+.Xr sem_wait 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_post
 conforms to
diff --git a/lib/libc_r/man/sem_wait.3 b/lib/libc_r/man/sem_wait.3
index c89ea04a098b..84a17b3a4d43 100644
--- a/lib/libc_r/man/sem_wait.3
+++ b/lib/libc_r/man/sem_wait.3
@@ -77,7 +77,8 @@ will fail if:
 The semaphore value was zero, and thus could not be decremented.
 .El
 .Sh SEE ALSO
-.Xr sem_post 3
+.Xr sem_post 3 ,
+.Xr sem 4
 .Sh STANDARDS
 .Fn sem_wait
 and