diff --git a/tldr/linux/mkswap b/tldr/linux/mkswap
index dab5386f..c502921f 100644
--- a/tldr/linux/mkswap
+++ b/tldr/linux/mkswap
@@ -19,4 +19,12 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Specify a label for the partition (to allow `swapon` to use the label):
 
-`sudo mkswap {{[-L|--label]}} {{label}} {{/dev/sda1}}`
+`sudo mkswap {{[-L|--label]}} {{label}} {{/dev/sdXY}}`
+
+- Use the specified UUID:
+
+`sudo mkswap {{[-U|--uuid]}} {{clear|random|time|UUID_value}}`
+
+- Set up a swap file (for btrfs, see `tldr btrfs filesystem` instead):
+
+`sudo mkswap {{[-s|--size]}} {{file_size}} {{[-F|--file]}} {{path/to/swapfile}}`