diff --git a/LICENSE b/COPYING
similarity index 100%
rename from LICENSE
rename to COPYING
diff --git a/Cargo.lock b/Cargo.lock
index 33f2b92..3b927e7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,7 +3,7 @@
 version = 3
 
 [[package]]
-name = "bingame-rs"
+name = "bingame"
 version = "0.1.0"
 dependencies = [
  "rand",
diff --git a/Cargo.toml b/Cargo.toml
index 38a40d2..ab84804 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,10 +1,7 @@
 [package]
-name = "bingame-rs"
+name = "bingame"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
-
 rand = "0.8.4"
diff --git a/src/main.rs b/src/main.rs
index baf1666..89f6984 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,97 +1,97 @@
+// Copyright (c) 2022 Emma Tebibyte
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+/* Bingame is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * Bingame is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
 use rand::Rng;
 use std::cmp::Ordering;
 
 fn parse_input() -> Option<u32> {
+  loop {
+    let mut input = String::new();
+    std::io::stdin()
+    .read_line(&mut input)
+    .unwrap();
 
-    loop {
-
-        let mut input = String::new();
-        std::io::stdin()
-        .read_line(&mut input)
-        .unwrap();
-
-        match input.trim().parse::<u32>() {
-
-            Ok(output) => return Some(output),
-
-            Err(why) => {
-
-                match input.trim() {
-
-                    "quit" | ":q" | "q" | "stop" | "exit" => { println!("Stopping..."); return None; }
-                    _ => { println!("{} is not a number!", input); }
-
-                }
-            }
+    match input.trim().parse::<u32>() {
+      Ok(output) => return Some(output),
+      Err(_) => {
+        match input.trim() {
+          "quit" | ":q" | "q" | "stop" | "exit" => {
+              println!("Stopping...");
+              return None;
+          },
+          _ => eprintln!("{} is not a number!", input),
         };
-    }
+      },
+    };
+  }
 }
 
 fn main() {
+  println!("Welcome to bingame! Type \"quit\" anytime to stop playing.
+Provide an upward limit for generated numbers:");
 
-    println!("Welcome to bingame! Type \"quit\" anytime to stop playing.");
-    println!("Provide an upward limit for generated numbers: ");
-    let limit = parse_input().unwrap();
-    game(limit)
-
+  let limit = match parse_input() {
+    Some(limit) => limit,
+    None => std::process::exit(0),
+  };
+  game(limit)
 }
 
 fn numgen(limit: u32) -> Result<(u32, u32), bool> {
+  // generate random number
+  let nombre: u32 = rand::thread_rng().gen_range(0..limit);
 
-    // generate random number
+  // convert number from decimal to binary notation
+  let mut binvec = vec![];
+  let mut countdown = nombre;
+  while countdown > 0 {
+    binvec.push(countdown % 2);
+    countdown /= 2;
+  }
 
-    let nombre: u32 = rand::thread_rng().gen_range(0..limit);
+  let mut binnery = String::new();
+  for i in binvec { binnery = i.to_string() + &binnery; }
 
-    // convert number from decimal to binary notation
+  let binnery = binnery.parse::<u32>();
 
-    let mut binvec = vec![];
-
-    let mut countdown = nombre;
-
-    while countdown > 0 {
-
-        binvec.push(countdown % 2);
-        countdown /= 2;
-
-    }
-
-    let mut binnery = String::new();
-
-    for i in binvec {
-
-        binnery = i.to_string() + &binnery;
-
-    }
-
-    let binnery = binnery.parse::<u32>();
-
-    let binary = match binnery {
-
-        Ok(binary) => { binary },
-        Err(why) => { std::process::abort(); }
-    };
-
-    return Ok((nombre, binary));
+  let binary = match binnery {
+    Ok(binary) => binary,
+    Err(_) => std::process::abort(),
+  };
+  return Ok((nombre, binary));
 }
 
 fn game(limit: u32) {
+  loop {
+    let ans = numgen(limit).unwrap();
+    println!("Type {} in binary", ans.0);
+    
+    let guess = match parse_input() {
+      Some(guess) => guess,
+      None => std::process::exit(0),
+    };
 
-    loop {
-
-        let ans = numgen(limit).unwrap();
-        let nombre = ans.0;
-        let binary = ans.1;
-
-        println!("Type {} in binary", nombre);
-        let guess = parse_input().unwrap();
-
-        match guess.cmp(&binary) {
-            Ordering::Equal => {
-                println!("That's correct! {} in binary is {}!", nombre, binary);
-            }
-            Ordering::Greater | Ordering::Less => {
-                println!("Nope! {} in binary is {}!", nombre, binary);
-            }
-        }
-    }
-}
\ No newline at end of file
+    match guess.cmp(&ans.1) {
+      Ordering::Equal => {
+        println!("That's correct! {} in binary is {}!", ans.0, ans.1);
+      },
+      Ordering::Greater | Ordering::Less => {
+        println!("Nope! {} in binary is {}!", ans.0, ans.1);
+      },
+    };
+  }
+}