atomic(9): Update manpage after constifying atomic loads

MFC after:      5 days
Sponsored by:   The FreeBSD Foundation

Author: OlCe2

share/man/man9/atomic.9

@@ -20,7 +20,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd November 19, 2024
+.Dd December 16, 2024
 .Dt ATOMIC 9
 .Os
 .Sh NAME
@@ -60,7 +60,7 @@
 .Ft void
 .Fn atomic_interrupt_fence "void"
 .Ft <type>
-.Fn atomic_load_[acq_]<type> "volatile <type> *p"
+.Fn atomic_load_[acq_]<type> "const volatile <type> *p"
 .Ft <type>
 .Fn atomic_readandclear_<type> "volatile <type> *p"
 .Ft void