diff --git a/classes/holo_user.py b/classes/holo_user.py
index 12cfb8c..30ed49e 100644
--- a/classes/holo_user.py
+++ b/classes/holo_user.py
@@ -100,7 +100,7 @@ class HoloUser():
         voice: Union[str, Voice, None] = None,
         adm_origin: bool = False,
         adm_context: bool = False
-    ):
+    ) -> None:
         """Send a message to user
 
         ### Args:
@@ -210,7 +210,7 @@ class HoloUser():
                 logWrite(f"Could not notify admin about failure when sending message! Admin has never interacted with bot!")
             await context.reply_text(locale("message_error", "message"), quote=should_quote(context))
 
-    async def set_label(self, chat: Chat, label: str):
+    async def set_label(self, chat: Chat, label: str) -> None:
         """Set label in destination group
 
         ### Args:
@@ -223,7 +223,7 @@ class HoloUser():
         if (not await isAnAdmin(self.id)) and (chat.id == configGet("admin_group")):
             await app.set_administrator_title(configGet("destination_group"), self.id, label)
 
-    async def reset_label(self, chat: Chat):
+    async def reset_label(self, chat: Chat) -> None:
         """Reset label in destination group
 
         ### Args:
@@ -238,13 +238,20 @@ class HoloUser():
             ))
 
     def application_state(self) -> tuple[Literal["none", "fill", "approved", "rejected"], bool]:
+        """Check the current state of application in tmp collection
+
+        ### Returns:
+            * `tuple[Literal["none", "fill", "approved", "rejected"], bool]`: First element is an enum of a state and the second one is whether application is complete.
+        """        
         tmp_application = col_tmp.find_one({"user": self.id, "type": "application"})
         if tmp_application is None:
             return "none", False
         else:
             return tmp_application["state"], tmp_application["complete"]
 
-    def application_restart(self):
+    def application_restart(self) -> None:
+        """Reset application of a user in tmp collection and replace it with an empty one
+        """        
         doc = {
             "user": self.id,
             "type": "application",
@@ -272,7 +279,13 @@ class HoloUser():
             col_tmp.delete_one({"user": self.id, "type": "application"})
             col_tmp.insert_one(document=doc)
 
-    async def application_next(self, query: str, msg: Union[Message, None] = None):
+    async def application_next(self, query: str, msg: Message) -> None:
+        """Move on filling application of user
+
+        ### Args:
+            * query (`str`): Some kind of input
+            * msg (`Message`): Message that should receive replies
+        """           
 
         if col_tmp.find_one({"user": self.id, "type": "application"}) is None: