diff --git a/xubuntu-read-only-filesystem.txt b/xubuntu-read-only-filesystem.txt
index b28f124..ab3a6f9 100644
--- a/xubuntu-read-only-filesystem.txt
+++ b/xubuntu-read-only-filesystem.txt
@@ -2,8 +2,8 @@ XUbuntu 16.04 with read only filesystem for use with SSD disk
 ---------------------------------------------------------------
 
 * Example:
-    /dev/sda: HDD disk
-    /dev/sdc: SDD disk
+    /dev/sda: HDD disk (mechanical disk)
+    /dev/sdc: SSD disk (solid state disk)
     /dev/sdc1: /
     /dev/sda2: /home /tmp /var/tmp
     /dev/sda3: swap
@@ -18,7 +18,7 @@ XUbuntu 16.04 with read only filesystem for use with SSD disk
 
 * chmod 1777 /hddsda2/tmp
 
-* mkdir /hddsda2/home/username
+* mkdir -p /hddsda2/home/username
 
 * rsync -av /home/username/ /hddsda2/home/username/