📝 Fixed docstring not being in the correct format.

Author: JoaquimEsteves

mypy/messages.py

@@ -1655,13 +1655,12 @@ def typeddict_key_must_be_string_literal(self, typ: TypedDictType, context: Cont
     def typeddict_key_not_found(
         self, typ: TypedDictType, item_name: str, context: Context, setitem: bool = False
     ) -> None:
-        """
-        Handles error messages.
+        """Handles error messages for TypedDicts that have unknown keys.
 
-        Note, that we differentiate in between reading a value and setting
-        a value.
-        Setting a value on a TypedDict is an 'unknown-key' error,
-        whereas reading it is the more serious/general 'item' error.
+        Note, that we differentiate in between reading a value and setting a
+        value.
+        Setting a value on a TypedDict is an 'unknown-key' error, whereas
+        reading it is the more serious/general 'item' error.
         """
         if typ.is_anonymous():
             self.fail(