diff --git a/man/inxi.8 b/man/inxi.8
index cbba341..e270b7e 100644
--- a/man/inxi.8
+++ b/man/inxi.8
@@ -151,6 +151,7 @@ Show partition labels. Default: short partition -P. For full -p output, use: -pl
 .TP
 .B -M  
 Show machine data. Motherboard, Bios, and if present, System Builder (Like Lenovo).
+Older systems/kernels without the required /sys data can use dmidecode instead, run as root.
 .TP
 .B -n  
 Show Advanced Network card information. Same as -Nn. Shows interface, speed, 
@@ -234,7 +235,7 @@ Supported levels: 0-7 Examples :\fI inxi -v 4 \fR or \fI inxi -v4
 .B 	-v 4 \fR - Adds partition size/filled data (-P) for (if present):/, /home, /var/, /boot
         Shows full disk data (-D)
 .TP
-.B 	-v 5 \fR - Adds audio card (-A); sensors (-s), partion label (-l) and UUID (-u), short form of optical drives.
+.B 	-v 5 \fR - Adds audio card (-A); sensors (-s), partition label (-l) and UUID (-u), short form of optical drives.
 .TP
 .B 	-v 6 \fR - Adds full partition data (-p), unmounted partition data (-o), optical drive data (-d).
 .TP
@@ -262,7 +263,9 @@ Show extra data (only works with verbose or line output, not short form):
 .TP
 .B 	-x -N -A  \fR- Adds version/port(s)/driver version (if available) for Network/Audio;
 .TP
-.B 	-x  -N -A -G \fR- Network, audio, graphics, shows PCI Bus ID/Usb ID number of card;
+.B 	-x  -N -A -G \fR- Network, audio, graphics, shows PCI Bus ID/Usb ID number of card
+.TP
+.B		-x -R  \fR- Show RAID chunk size
 .TP
 .B 	-x -S \fR- Desktop toolkit if avaliable (GNOME/XFCE/KDE only); Kernel gcc version
 .TP
@@ -271,10 +274,14 @@ Show extra data (only works with verbose or line output, not short form):
 .B -xx
 Show extra, extra data (only works with verbose or line output, not short form): 
 .TP
+.B		-xx -D \fR  - Adds disk serial number
+.TP
 .B 	-xx -I \fR- Adds other detected installed gcc versions to primary gcc output (if present).
 .TP
 .B 	-xx -M \fR- Adds chassis information, if any data for that is available.
 .TP
+.B		-xx -R \fR - Adds block count and algorythm used to RAID
+.TP
 .B 	-xx -@ <11-14> \fR - Automatically uploads debugger data tar.gz file to ftp.techpatterns.com.
 .TP
 .B -z