diff --git a/code_score/get_scores.py b/code_score/get_scores.py
index c46adda..08aec32 100644
--- a/code_score/get_scores.py
+++ b/code_score/get_scores.py
@@ -20,21 +20,29 @@ def get_comments_score(datas_tot):
     return datas["nb_comments"]/datas["nb_lines"]*6
 
 def get_syntax_score(datas):
+    '''returns a score based on the number of comments per line
+    if the result is equal to 6 it is a very good score'''
     score=6*(1-(datas["syntax_errors"]["hooks_errors"]+datas["syntax_errors"]["parenthesis_errors"]+datas["syntax_errors"]["indentations_errors"])/datas["general_numbers"]["nb_lines"])
     if score<0:
         score=0
     return score
 
 def get_style_score(datas):
+    '''returns a score based on the number of syntax errors per line
+    if the result is equal to 6 it is a very good score'''
     score=(1-datas["syntax_errors"]["snake_case_errors"]/datas["general_numbers"]["nb_lines"])*6
     return score
 
 def get_redundancy_score(datas_tot):
+    '''returns a score based on the number of repeated lines and redundancy coeff per line
+    if the result is equal to 6 it is a very good score'''
     datas=datas_tot["repetitions"]
     score=(1-datas["nb_repeated_lines"]/datas_tot["general_numbers"]["nb_lines"])*(1-datas["redundancy_coeff"])*6
     return score
 
 def get_plagiarism_score(datas_tot):
+    '''returns a score based on the number of the highest similarity with a file
+    if the result is equal to 6 it is a very good score'''
     datas=datas_tot["repetitions"]["plagiarism"]
     score=(1-datas["similarity_w_closest_file"])*6
     return score