linux: improved luks encryption parameters

wiki/linux/arch-linux/installation.md

@@ -84,7 +84,7 @@ The right partition has the label `Linux filesystem`.
 For this guide this partition is assumed to be `/dev/sda2`.
 
 ```sh
-cryptsetup -c aes-xts-plain -y -s 512 luksFormat /dev/sda2
+cryptsetup -c aes-xts-plain -s 512 -y -v luksFormat /dev/sda2
 ```
 Afterwards confirm with `YES`.
 Now you can assign a passphrase.

wiki/linux/dm-crypt.md

@@ -7,7 +7,7 @@ DM-Crypt can create and manage encrypted devices.
 ### Creating an Encrypted Devices
 
 To create a encrypted device simply run:
-`cryptsetup -y -v luksFormat /dev/sda2`.
+`cryptsetup -c aes-xts-plain -s 512 -y -v luksFormat /dev/sda2`.
 Where `/dev/sda2` is the device to be created.
 
 ### Create/Add a Key File to an encrypted volume