diff --git a/main.py b/main.py
index 8a3cc97..df99848 100644
--- a/main.py
+++ b/main.py
@@ -25,6 +25,15 @@ class Access(object):
         self.platform = platform
 
     def get_admin(self):
+        """
+        The method gets the first 10 active database users 
+        and finds the admin among them. I couldn't create 
+        a request filtering by the roles field because 
+        peewee doesn't understand json and can't make a selection
+
+        Returns:
+            _dict_: admin data
+        """
         query_admin = (self.user_table.select(
             self.user_table.id,
             self.user_table.email,
@@ -34,6 +43,7 @@ class Access(object):
                 (self.user_table.state == "active")
             )
         )
+        # !peewee doesn't work well with JSONfield MySQL
         for field in query_admin:
             if field.roles[0] == '@admin':
                 admin = dict(
@@ -46,13 +56,24 @@ class Access(object):
         return admin
 
     def get_key(self, admin):
+        """
+        Makes a post request to the endpoint 
+        passing the admin data and 
+        returns the generated access key
+
+        Args:
+            admin (_dict_): _admin data_
+
+        Returns:
+            _dict_: _access key_
+        """
         host = self.input_container
         if self.platform == "vm":
             url = 'http://{}:1500/auth/v4/user/{}/key'.format(
                 host, admin['id']
             )
         if self.platform == "dci":
-            url = 'http://{}:1500/auth/v3/user/{}/key'.format(
+            url = 'http://{}:1500/auth/v4/user/{}/key'.format(
                 host, admin['email']
             )
         headers = {"Internal-Auth": "on", "Accept": "application/json"}
@@ -60,6 +81,27 @@ class Access(object):
         result = req.json()
         return result
 
+    def make_access_link(self, key):
+        """
+        Generates a clickable link which will be received in stdout
+
+        Args:
+            key (_dict_): _access key data_
+
+        Returns:
+            _str_: link to access the platform
+        """
+        key_type = 'key'  # why for dcimgr key-4 ???
+
+        access_link = 'https://{}/auth/{}/{}'.format(
+            CLIENT_HOST, key_type, key['key']
+        )
+        if self.platform == 'dci':
+            access_link = 'https://{}/auth/{}/{}'.format(
+                CLIENT_HOST, key_type, key['key']
+            )
+        return access_link
+
 
 def main():
     """
@@ -80,7 +122,7 @@ def main():
     print("Key will be used:")
     print(key, "\n")
 
-    access_link = 'https://{}/auth/key/{}'.format(CLIENT_HOST, key['key'])
+    access_link = access.make_access_link(key)
 
     print("Your access link: \n")
     print(access_link, "\n")