Update cheatsheets

tldr/linux/pacman-sync

@@ -33,10 +33,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `sudo pacman -Syu --overwrite {{path/to/file}}`
 
-- [S]ynchronize and [u]pdate all packages, but ignore a specific package (can be used more than once):
-
-`sudo pacman -Syu --ignore {{package1 package2 ...}}`
-
 - Remove not installed packages and unused repositories from the cache (use the flags `Sc` to [c]lean all packages):
 
 `sudo pacman -Sc`
+
+- Specify the package version you want to install:
+
+`sudo pacman -S {{package}}={{version}}`