loader.conf.5: "console" setting does not document multi-value possiblity

PR:		292595
Approved by:	ziaee, dab, imp, tsoome
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D54843

stand/defaults/loader.conf

@@ -110,7 +110,7 @@ kernels_autodetect="YES"	# Auto-detect kernel directories in /boot
 #loader_gfx="YES"		# Use graphical images when available
 #loader_logo="orbbw"		# Desired logo: orbbw, orb, fbsdbw, beastiebw, beastie, none
 #comconsole_speed="115200"	# Set the current serial console speed
-#console="vidconsole"		# A comma separated list of console(s)
+#console="vidconsole"		# Comma- or space-separated list of consoles
 #currdev="disk1s1a"		# Set the current device
 module_path="/boot/modules;/boot/firmware;/boot/dtb;/boot/dtb/overlays"	# Set the module search path
 module_blacklist="drm drm2 radeonkms i915kms amdgpu if_iwlwifi if_rtw88 if_rtw89"	# Loader module blacklist

stand/defaults/loader.conf.5

@@ -329,6 +329,7 @@ is in use then the default speed is determined from the current
 serial port speed setting.
 .It Va console
 .Pq Dq vidconsole
+Comma- or space-separated list of consoles.
 .Dq comconsole
 selects serial console,
 .Dq vidconsole