diff --git a/docs/api/adapters/README.md b/docs/api/adapters/README.md
index e038de33..56319168 100644
--- a/docs/api/adapters/README.md
+++ b/docs/api/adapters/README.md
@@ -147,7 +147,7 @@ Adapter 类型
 
 
 ```python
-await bot.call_api("send_msg", message="hello world"})
+await bot.call_api("send_msg", message="hello world")
 await bot.send_msg(message="hello world")
 ```
 
diff --git a/nonebot/adapters/__init__.py b/nonebot/adapters/__init__.py
index ade02be6..1d4d971a 100644
--- a/nonebot/adapters/__init__.py
+++ b/nonebot/adapters/__init__.py
@@ -116,7 +116,7 @@ class Bot(abc.ABC):
 
         .. code-block:: python
 
-            await bot.call_api("send_msg", message="hello world"})
+            await bot.call_api("send_msg", message="hello world")
             await bot.send_msg(message="hello world")
         """
         raise NotImplementedError