diff --git a/src/model.rs b/src/model.rs
index ed9c5d7..ba7b17b 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -1,5 +1,3 @@
-use std::ops::Deref;
-use bitvec::prelude::{AsBits};
 use crate::model::processing_input::processing_input;
 use crate::model::check_correct_input::check_correct_input;
 use crate::model::from_string_to_vec_bits::from_string_to_vec_bits;
diff --git a/src/utils/hamming_code_utils/hamming_code_seven_four.rs b/src/utils/hamming_code_utils/hamming_code_seven_four.rs
index 916f5ea..59231c3 100644
--- a/src/utils/hamming_code_utils/hamming_code_seven_four.rs
+++ b/src/utils/hamming_code_utils/hamming_code_seven_four.rs
@@ -7,7 +7,6 @@
 // ошибочная позиция 7 false false false
 
 pub mod hamming_code{
-    use std::borrow::Borrow;
     use std::collections::HashMap;
 
     pub fn hamming_encrypt_data(data: &Vec<u8>, result_string: &mut String, length_of_code: usize) -> () {
@@ -68,7 +67,7 @@ pub mod hamming_code{
 
                     let error_position = syndromes
                         .iter()
-                        .find(move |&(&error_position, &error)| error == checked_bits).
+                        .find(move |&(&index, &error)| error == checked_bits).
                         unwrap().0;
 
                     let correctly_code : Vec<u8> = data_bits
diff --git a/src/view.rs b/src/view.rs
index b6d4edc..57a560c 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -15,6 +15,11 @@ fn clearing(output : &TextView, input: &TextView){
 
 pub fn laboratory_work_first_section(wrapper: &Box) -> (){
 
+    let header = Label::builder()
+        .halign(Align::Start)
+        .label("Лабораторная работа №8: Код Хэмминга")
+        .build();
+
     // input
 
     let hamming_text_view_input_label = Label::builder()
@@ -120,6 +125,7 @@ pub fn laboratory_work_first_section(wrapper: &Box) -> (){
     interactive_components_wrapper.append(&crypt_mode_wrapper);
     interactive_components_wrapper.append(&hamming_crypt_button);
 
+    wrapper.append(&header);
     wrapper.append(&hamming_text_view_input_label);
     wrapper.append(&hamming_text_view_input_frame);
     wrapper.append(&interactive_components_wrapper);