diff --git a/lib/libc/gen/sem_init.3 b/lib/libc/gen/sem_init.3
index d18f5e23547..d765a574e67 100644
--- a/lib/libc/gen/sem_init.3
+++ b/lib/libc/gen/sem_init.3
@@ -83,6 +83,7 @@ Unable to initialize a shared semaphore.
 .El
 .Sh SEE ALSO
 .Xr sem_destroy 3 ,
+.Xr sem_getvalue 3 ,
 .Xr sem_post 3 ,
 .Xr sem_trywait 3 ,
 .Xr sem_wait 3 ,
diff --git a/lib/libc/gen/sem_post.3 b/lib/libc/gen/sem_post.3
index 6dd18a1ef88..67559cc541b 100644
--- a/lib/libc/gen/sem_post.3
+++ b/lib/libc/gen/sem_post.3
@@ -67,6 +67,7 @@ argument
 points to an invalid semaphore.
 .El
 .Sh SEE ALSO
+.Xr sem_getvalue 3 ,
 .Xr sem_trywait 3 ,
 .Xr sem_wait 3 ,
 .Xr sem 4
diff --git a/lib/libc/gen/sem_wait.3 b/lib/libc/gen/sem_wait.3
index b6c3b7c798c..43d6fad34d3 100644
--- a/lib/libc/gen/sem_wait.3
+++ b/lib/libc/gen/sem_wait.3
@@ -82,6 +82,7 @@ will fail if:
 The semaphore value was zero, and thus could not be decremented.
 .El
 .Sh SEE ALSO
+.Xr sem_getvalue 3 ,
 .Xr sem_post 3 ,
 .Xr sem 4
 .Sh STANDARDS