more manpage fixes

Agan from Jason St. John

archlinux.7.txt

@@ -51,22 +51,22 @@ The real-time clock, which keeps track of time when the computer is off, can be
 be in UTC or in local time by calling 'timedatectl set-local-rtc <false|true>'.
 The default is UTC.
 
-FILESYSTEMS[[F]]
-----------------
-Filesystems are configured in /etc/fstab, and encryption mappings are configured in /etc/crypttab.
+FILE SYSTEMS[[F]]
+-----------------
+File systems are configured in /etc/fstab, and encryption mappings are configured in /etc/crypttab.
 
 INITRAMFS[[R]]
 --------------
 The initramfs is generated by 'mkinitcpio -p <preset>'.
 The default preset is "linux".
-The initramfs can be configured in /etc/mkinitcpio.conf.
+The initramfs can be configured in /etc/mkinitcpio.conf and must be regenerated after making configuration changes.
 
 PACKAGE MANAGER[[P]]
 --------------------
 The package manager, pacman, is configured in /etc/pacman.conf.
 
-BOOTLOADER[[B]]
----------------
+BOOT LOADER[[B]]
+----------------
 GRUB's configuration is generated from /etc/default/grub by 'grub-mkconfig -o /boot/grub/grub.cfg'.
 Syslinux is configured in /boot/syslinux/syslinux.cfg.