diff --git a/docs/dispatcher/class_based_handlers/base.rst b/docs/dispatcher/class_based_handlers/base.rst
index 8c694d4f..72b06e33 100644
--- a/docs/dispatcher/class_based_handlers/base.rst
+++ b/docs/dispatcher/class_based_handlers/base.rst
@@ -12,7 +12,7 @@ By default you will need to override only method :code:`async def handle(self) -
 
 This class also has a default initializer and you don't need to change it.
 The initializer accepts the incoming event and all contextual data, which
-can be accessed from the handler through attributes: :code:`event: TelegramEvent` and :code:`data: Dict[Any, str]`
+can be accessed from the handler through attributes: :code:`event: TelegramEvent` and :code:`data: Dict[str, Any]`
 
 If an instance of the bot is specified in context data or current context it can be accessed through *bot* class attribute.
 
diff --git a/docs/locale/uk_UA/LC_MESSAGES/dispatcher/class_based_handlers/base.po b/docs/locale/uk_UA/LC_MESSAGES/dispatcher/class_based_handlers/base.po
index 632ef480..942af74c 100644
--- a/docs/locale/uk_UA/LC_MESSAGES/dispatcher/class_based_handlers/base.po
+++ b/docs/locale/uk_UA/LC_MESSAGES/dispatcher/class_based_handlers/base.po
@@ -47,12 +47,12 @@ msgid ""
 "This class also has a default initializer and you don't need to change "
 "it. The initializer accepts the incoming event and all contextual data, "
 "which can be accessed from the handler through attributes: :code:`event: "
-"TelegramEvent` and :code:`data: Dict[Any, str]`"
+"TelegramEvent` and :code:`data: Dict[str, Any]`"
 msgstr ""
 "Цей клас також має ініціалізатор за замовчуванням, і вам не потрібно його"
 " змінювати. Ініціалізатор приймає поточну подію та всі контекстні дані, "
 "доступ до яких можна отримати з обробника через атрибути: :code:`event: "
-"TelegramEvent` and :code:`data: Dict[Any, str]`"
+"TelegramEvent` and :code:`data: Dict[str, Any]`"
 
 #: ../../dispatcher/class_based_handlers/base.rst:17
 #, fuzzy