diff --git a/Cargo.toml b/Cargo.toml
index 5709d2c..bc37b1d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "fediloom"
 version = "0.1.0"
 edition = "2021"
+description = "Combines blocklists for ActivityPub software"
 
 [dependencies]
 clap = { version = "4.5.4", features = ["derive"] }
diff --git a/src/main.rs b/src/main.rs
index 001b284..fce425d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,20 +3,33 @@
 mod manip;
 mod tests;
 
+use std::path::PathBuf;
+
 use clap::Parser;
 
 #[derive(Parser)]
+#[command(version, about, long_about = None)]
 struct Cli {
-    // TODO inputs
-    // TODO outputs
-    // TODO cfg file (TOML)
-    // TODO options
+    /// Selects a custom config file (optional)
+    config: Option<PathBuf>,
+
+    /// Sets output directory (optional, defaults to current directory)
+    output_dir: Option<PathBuf>,
+
+    /// Specifies block files/directories
+    #[arg(short, long)]
+    block: Vec<PathBuf>,
+
+    /// Specifies silence files/directories
+    #[arg(short, long)]
+    mute: Vec<PathBuf>,
+    // TODO more options
     // TODO verbose mode
-    // 
 }
 
 fn main() {
-    println!("Hello, world!");
+    let cli = Cli::parse();
+
     // TODO argument parsing - IN PROGRESS
     // TODO logging
-}
\ No newline at end of file
+}
diff --git a/src/manip.rs b/src/manip.rs
index e96481f..62472af 100644
--- a/src/manip.rs
+++ b/src/manip.rs
@@ -138,7 +138,7 @@ impl ModMap {
 }
 
 pub fn alphabetize_lines(string: String) -> String {
-    let mut v = string.lines().collect::<Vec<&str>>();
+    let mut v: Vec<&str> = string.lines().collect();
     v.sort_by_key(|a| a.to_lowercase());
 
     v.join("\n") + "\n"