diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -5,6 +5,9 @@
 # the doc repository); otherwise the automatically generated hardware
 # notes will not include your driver.
 
+# If you enable a driver for a different architecture, please remember
+# to update the arch specifier in the document title of the manual.
+
 MAN=	aac.4 \
 	aacraid.4 \
 	acpi.4 \