1 files changed, 8 insertions, 1 deletions

diff --git a/usr.bin/mt/mt.1 b/usr.bin/mt/mt.1
index 4cafdf4437c7..361c9ae65bda 100644
--- a/usr.bin/mt/mt.1
+++ b/usr.bin/mt/mt.1
@@ -26,7 +26,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd October 31, 2023
+.Dd March 2, 2026
 .Dt MT 1
 .Os
 .Sh NAME
@@ -524,6 +524,8 @@ Value  Width        Tracks    Density         Code Type Reference   Note
 0x5D   12.7  (0.5) 5376      19,107 (485,318)       C   LTO-M8       14
 0x5E   12.7  (0.5) 6656      20,669 (524,993)       C   LTO-8
 0x60   12.7  (0.5) 8960      23,031 (584,987)       C   LTO-9
+0x62   12.7  (0.5)15104      21,657 (550,088)       C   LTO-10       15
+0x63   12.7  (0.5)15104      22,441 (570,001)       C   LTO-10P      15
 0x71   12.7  (0.5)  512      11,800 (299,720)       C   3592A1 (encrypted)
 0x72   12.7  (0.5)  896      11,800 (299,720)       C   3592A2 (encrypted)
 0x73   12.7  (0.5) 1152      13,452 (341,681)       C   3592A3 (encrypted)
@@ -572,6 +574,11 @@ NOTES
     LTO-7 cartridge initialized with a higher density format by an LTO-8
     drive.  It cannot be read by an LTO-7 drive.  Uncompressed capacity
     is 9TB, compared to 6TB for LTO-7 and 12TB for LTO-8.
+15. LTO-10 Premium cartridges hold 40TB uncompressed vs. 30TB
+    uncompressed for standard LTO-10 cartridges due to slightly higher
+    density and stronger, thinner, longer tape.  LTO-10 tape drives
+    are not backward compatible with previous generation LTO tape
+    cartridges.
 .Ed
 .Bd -literal -offset 2n
 NOTE ON QIC STREAMERS