diff --git a/dbus_next/auth.py b/dbus_next/auth.py
index db91c86..e8e14ad 100644
--- a/dbus_next/auth.py
+++ b/dbus_next/auth.py
@@ -78,8 +78,8 @@ def _receive_line(self, line: str):
         raise AuthError(f'authentication failed: {response.value}: {args}')
 
 
-class AuthAnnonymous(Authenticator):
-    """An authenticator class for the annonymous auth protocol for use with the
+class AuthAnonymous(Authenticator):
+    """An authenticator class for the anonymous auth protocol for use with the
     :class:`MessageBus <dbus_next.message_bus.BaseMessageBus>`.
 
     :sealso: https://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol
@@ -87,7 +87,7 @@ class AuthAnnonymous(Authenticator):
     def _authentication_start(self, negotiate_unix_fd=False) -> str:
         if negotiate_unix_fd:
             raise AuthError(
-                'annonymous authentication does not support negotiating unix fds right now')
+                'anonymous authentication does not support negotiating unix fds right now')
 
         return 'AUTH ANONYMOUS'
 
@@ -98,3 +98,6 @@ def _receive_line(self, line: str) -> str:
             raise AuthError(f'authentication failed: {response.value}: {args}')
 
         return 'BEGIN'
+
+# backwards compatibility
+AuthAnnonymous = AuthAnonymous
diff --git a/docs/authentication.rst b/docs/authentication.rst
index 6749c67..639eff2 100644
--- a/docs/authentication.rst
+++ b/docs/authentication.rst
@@ -6,4 +6,4 @@ Classes for the DBus `authentication protocol <https://dbus.freedesktop.org/doc/
 .. autoclass:: dbus_next.auth.Authenticator
 
 .. autoclass:: dbus_next.auth.AuthExternal
-.. autoclass:: dbus_next.auth.AuthAnnonymous
+.. autoclass:: dbus_next.auth.AuthAnonymous