diff --git a/share/man/man7/build.7 b/share/man/man7/build.7
--- a/share/man/man7/build.7
+++ b/share/man/man7/build.7
@@ -181,7 +181,7 @@
 .Xr make 1
 variables
 .Va TARGET_ARCH
-and
+and/or
 .Va TARGET .
 .Pp
 This target is only useful after a complete toolchain (including
@@ -264,7 +264,7 @@
 This is intended to be used in a jail where QEMU is used to improve
 performance by avoiding emulating binaries that do not need to be emulated.
 .Sy TARGET
-and
+and/or
 .Sy TARGET_ARCH
 should be defined.
 .It Cm native-xtools-install
@@ -275,7 +275,7 @@
 defaults to
 .Pa nxb-bin .
 .Sy TARGET
-and
+and/or
 .Sy TARGET_ARCH
 must be defined.
 .It Cm packages
@@ -786,34 +786,34 @@
 repository.
 .It Va TARGET
 The target hardware platform.
+Set this to cross-build for a different platform.
 This is analogous to the
 .Dq Nm uname Fl m
 output.
-This is necessary to cross-build some target architectures.
-For example, cross-building for ARM64 machines requires
-.Va TARGET_ARCH Ns = Ns Li aarch64
-and
-.Va TARGET Ns = Ns Li arm64 .
 If not set,
 .Va TARGET
 defaults to the current hardware platform, unless
 .Va TARGET_ARCH
 is also set, in which case it defaults to the appropriate
 value for that architecture.
+See
+.Nm make Cm targets
+for a current list.
 .It Va TARGET_ARCH
 The target machine processor architecture.
+Set this to cross-build for a different architecture.
 This is analogous to the
 .Dq Nm uname Fl p
 output.
-Set this to cross-build for a different architecture.
 If not set,
 .Va TARGET_ARCH
 defaults to the current machine architecture, unless
 .Va TARGET
 is also set, in which case it defaults to the appropriate
 value for that platform.
-Typically, one only needs to set
-.Va TARGET .
+See
+.Nm make Cm targets
+for a current list.
 .El
 .Pp
 Builds under directory