Improve readme

README.md

@@ -13,7 +13,7 @@ Display wallpapers on Sway, this is essentially a wrapper for `swaybg`.
 
 ## Usage
 
-```sh
+```
 usage: sway-wallpaper [options] <path> <output>
 
 required:
@@ -21,12 +21,15 @@ required:
   path                 The path to the directory containing the wallpapers
 
 options:
-  --always-random      if set, always randomize the next wallpaper
   -h, --help           Show help
-  -i, --interval       Specify the interval between
+  -i, --interval       Specify the interval between wallpapers in seconds
   --never-random       if set, wallpapers order is based on the names of the files
 ```
 
+Example:
+
+`./sway-wallpaper /path/to/wallpapers -i 3600 DP-1`
+
 ## Installation
 
 First, clone this repository `git clone https://codeberg.org/vyn/sway-wallpaper.git` (or download it the way you prefer).  
@@ -36,7 +39,7 @@ You only need **gcc** and **cmake**, run these commands in the project directory
 ```
 mkdir build
 cd build
-cmake ..
+cmake -DCMAKE_BUILD_TYPE=Release ..
 make
 ```