diff --git a/share/man/man8/uefi.8 b/share/man/man8/uefi.8
index bbc7d0a8ee0c..f0f3987cdb54 100644
--- a/share/man/man8/uefi.8
+++ b/share/man/man8/uefi.8
@@ -39,6 +39,10 @@ to operating systems.
 is a replacement for the legacy BIOS on the i386 and amd64 CPU architectures,
 and is also used on arm, arm64 and ia64.
 .Pp
+The UEFI specification is the successor to the Extensible Firmware Interface
+(EFI) specification.
+The terms are often used interchangeably.
+.Pp
 The
 .Nm
 boot process loads system bootstrap code located in an EFI System Partition