diff --git a/share/man/man4/nvme.4 b/share/man/man4/nvme.4
index 049aa003999cf..3ddd0a2281876 100644
--- a/share/man/man4/nvme.4
+++ b/share/man/man4/nvme.4
@@ -277,6 +277,11 @@ This message will appear at most once per boot per controller.
 .Xr pci 4 ,
 .Xr nvmecontrol 8 ,
 .Xr disk 9
+.Rs
+.%T The NVM Express Base Specification
+.%D June 10, 2019
+.%U https://nvmexpress.org/wp-content/uploads/NVM-Express-1_4-2019.06.10-Ratified.pdf
+.Re
 .Sh HISTORY
 The
 .Nm