From 88c7aaaff1073b1ded24c10093dc225930f51fb8 Mon Sep 17 00:00:00 2001
From: darksidecat <58224121+darksidecat@users.noreply.github.com>
Date: Tue, 24 Aug 2021 14:07:00 +0300
Subject: [PATCH] More accurate description of the exception, thanks @uwinx

---
 aiogram/types/update.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/aiogram/types/update.py b/aiogram/types/update.py
index fc1ac03c..7b54195c 100644
--- a/aiogram/types/update.py
+++ b/aiogram/types/update.py
@@ -94,7 +94,7 @@ class Update(TelegramObject):
         if self.chat_member:
             return "chat_member"
 
-        raise UpdateTypeLookupError("Unknown update type")
+        raise UpdateTypeLookupError("Update does not contain any known event type.")
 
     @property
     def event(self) -> TelegramObject:
@@ -102,4 +102,4 @@ class Update(TelegramObject):
 
 
 class UpdateTypeLookupError(LookupError):
-    pass
+    """Update does not contain any known event type."""