diff --git a/src/buffer.rs b/src/buffer.rs
index 365ac24..c0f82fb 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -69,6 +69,16 @@ impl Buffer {
         }
     }
 
+    pub fn append(&mut self, addr:Address, lines: Vec<String>) {
+        self.has_changed = true;
+        match addr {
+            Address::Actual | Address::Empty => self.insert_buffer(self.current_line + 1, lines),
+            Address::Line(l) => self.insert_buffer(l, lines),
+            Address::Last => self.insert_buffer(self.buffer.len(), lines),
+            _ => (),
+        }
+    }
+
     pub fn insert(&mut self, addr: Address, lines: Vec<String>) {
         self.has_changed = true;
         match addr {
diff --git a/src/enums.rs b/src/enums.rs
index 68bc210..cc54484 100644
--- a/src/enums.rs
+++ b/src/enums.rs
@@ -158,13 +158,20 @@ fn parse_without_addr(c: char) -> Command {
 
 fn parse(c: char, addr: Address) -> Result<Command, String> {
     match c {
-        'i' => {
+        'a' => {
             if addr.is_multi_line() {
                 Err(String::from("Erreur d'adresse"))
             } else {
                 Ok(Command::Append(addr))
             }
         }
+        'i' => {
+            if addr.is_multi_line() {
+                Err(String::from("Erreur d'adresse"))
+            } else {
+                Ok(Command::Insert(addr))
+            }
+        }
         'p' => Ok(Command::Print(addr)),
         'n' => Ok(Command::Number(addr)),
         'q' => Ok(Command::Quit(false)),
diff --git a/src/main.rs b/src/main.rs
index 3d6cd2b..cb8ddec 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -46,28 +46,31 @@ fn check_address_complete(c: char) -> bool {
     check_address(c) || c == ',' || c == ';'
 }
 
+fn read_user_input() -> Vec<String> {
+    let mut buffer: Vec<String> = Vec::new();
+    let mut buffer_input = String::new();
+    while buffer_input != "." {
+        buffer_input.clear();
+        match io::stdin().read_line(&mut buffer_input) {
+            Ok(_) => {
+                buffer_input.pop();
+                if buffer_input != "." {
+                    buffer.push(buffer_input.clone());
+                }
+            }
+            Err(e) => panic!("{}", e),
+        }
+    }
+
+    buffer
+}
+
 fn execute_command(buffer: &mut Buffer, c: Command) -> Exit {
     let mut ret = Exit::Continue;
 
     match c {
-        Command::Append(a) => {
-            let mut new_lines: Vec<String> = Vec::new();
-            let mut buffer_input = String::new();
-            while buffer_input != "." {
-                buffer_input.clear();
-                match io::stdin().read_line(&mut buffer_input) {
-                    Ok(_) => {
-                        buffer_input.pop();
-                        if buffer_input != "." {
-                            new_lines.push(buffer_input.clone());
-                        }
-                    }
-                    Err(e) => panic!("{}", e),
-                }
-            }
-
-            buffer.insert(a, new_lines);
-        }
+        Command::Append(a) => buffer.append(a, read_user_input()),
+        Command::Insert(a) => buffer.insert(a, read_user_input()),
         Command::Print(a) => buffer.print(a, false),
         Command::Number(a) => buffer.print(a, true),
         Command::Quit(q) => {
@@ -93,7 +96,7 @@ fn execute_command(buffer: &mut Buffer, c: Command) -> Exit {
 
 fn parse_line(input: &str) -> Result<Command, String> {
     let address = take_while(check_address_complete);
-    let command = one_of::<_, _, (&str, ErrorKind)>("ipnqQw");
+    let command = one_of::<_, _, (&str, ErrorKind)>("aipnqQw");
 
     //if let Ok((input, (a, c))) = alt(address, command).parse(input) {
     let tmp = (address, command).parse(input);