Update sso.md (#256)

* Update sso.md

* sync

---------

Co-authored-by: Andy Hsu <[email protected]>

Author: 88m

docs/guide/advanced/sso.md

@@ -207,7 +207,7 @@ If it has been configured, just ignore this picture (you can zoom in if you can
 
 @tab Casdoor
 
-What is `Cadoor`? Yes, you can use other OAuth applications to log in. [**Self-deployment**](https://casdoor.org/docs/basic/server-installation) is open source and free, and official hosting requires payment.
+What is `Casdoor`? Yes, you can use other OAuth applications to log in. [**Self-deployment**](https://casdoor.org/docs/basic/server-installation) is open source and free, and official hosting requires payment.
 
 Now, Casdoor supports many OAuth application providers, as many as dozens of kinds, you have seen and not seen
 

docs/zh/guide/advanced/sso.md

@@ -200,7 +200,7 @@ Alist 后台参数也记得写好保存，写好保存后也要回到个人资
 
 @tab Casdoor
 
-`Cadoor` 是什么？ 是可以使用其他 OAuth 应用程序登录，[**自行部署**](https://casdoor.org/zh/docs/basic/server-installation)开源免费，使用他们官方托管是需要付费的。
+`Casdoor` 是什么？ 是可以使用其他 OAuth 应用程序登录，[**自行部署**](https://casdoor.org/zh/docs/basic/server-installation)开源免费，使用他们官方托管是需要付费的。
 
 现在，Casdoor 支持许多OAuth 应用程序提供者，多达几十种，你见过的没见过的都有