diff --git a/telethon/_client/auth.py b/telethon/_client/auth.py
index 59f64933..a4942a64 100644
--- a/telethon/_client/auth.py
+++ b/telethon/_client/auth.py
@@ -368,7 +368,7 @@ async def qr_login(self: 'TelegramClient', ignored_ids: typing.List[int] = None)
 async def log_out(self: 'TelegramClient') -> bool:
     try:
         await self(_tl.fn.auth.LogOut())
-    except errors.RPCError:
+    except errors.RpcError:
         return False
 
     await self.disconnect()
diff --git a/telethon/errors/_rpcbase.py b/telethon/errors/_rpcbase.py
index c67c6ebf..31691397 100644
--- a/telethon/errors/_rpcbase.py
+++ b/telethon/errors/_rpcbase.py
@@ -143,5 +143,5 @@ ServerError = _mk_error_type(code=500, doc="""
 # Witnessed as -503 for "Timeout"
 BotTimeout = TimedOutError = _mk_error_type(code=503, doc="""
     Clicking the inline buttons of bots that never (or take to long to)
-    call ``answerCallbackQuery`` will result in this "special" RPCError.
+    call ``answerCallbackQuery`` will result in this "special" RpcError.
 """)
diff --git a/telethon/types/_custom/chatgetter.py b/telethon/types/_custom/chatgetter.py
index c92ffb00..03306849 100644
--- a/telethon/types/_custom/chatgetter.py
+++ b/telethon/types/_custom/chatgetter.py
@@ -80,7 +80,7 @@ class ChatGetter(abc.ABC):
                         self._chat = d.entity
                         self._input_chat = d.input_entity
                         break
-            except errors.RPCError:
+            except errors.RpcError:
                 pass
 
         return self._input_chat