diff --git a/TODO.en.md b/TODO.en.md
index 8afef3e..e05c5ed 100644
--- a/TODO.en.md
+++ b/TODO.en.md
@@ -61,8 +61,8 @@
 - [ ] spring-boot-demo-sso (integrated single sign on) see [ISSUE#12](https://github.com/xkcoding/spring-boot-demo/issues/12)
 - [x] ~~spring-boot-demo-ldap （integrated ldap）see [ISSUE#23](https://github.com/xkcoding/spring-boot-demo/issues/23)~~
 - [x] ~~spring-boot-demo-dynamic-datasource（add datasource dynamically, switch datasource dynamically）~~
-- [x] ~~spring-boot-demo-ratelimit-guava（use Guava RateLimiter to protect API by rate limiting）~~
-- [ ] spring-boot-demo-ratelimit-redis（use Redis Token bucket to protect API by rate limiting）
+- [x] ~~spring-boot-demo-ratelimit-guava（use Guava RateLimiter to protect API by standalone rate limiting）~~
+- [ ] spring-boot-demo-ratelimit-redis（use Redis Token bucket to protect API by cluster rate limiting）
 - [ ] spring-boot-demo-https（integrated HTTPS）
 
 ## Remarks
diff --git a/TODO.md b/TODO.md
index 394b500..15503a1 100644
--- a/TODO.md
+++ b/TODO.md
@@ -61,10 +61,10 @@
 - [ ] spring-boot-demo-sso（集成单点登录）参见 [ISSUE#12](https://github.com/xkcoding/spring-boot-demo/issues/12)
 - [x] ~~spring-boot-demo-ldap （集成 ldap）参见 [ISSUE#23](https://github.com/xkcoding/spring-boot-demo/issues/23)~~
 - [x] ~~spring-boot-demo-dynamic-datasource（动态添加数据源，切换数据源）~~
-- [x] ~~spring-boot-demo-ratelimit-guava（限流保护API，集成Guava的RateLimiter）~~
-- [ ] spring-boot-demo-ratelimit-redis（限流保护API，使用 Redis 令牌桶）
+- [x] ~~spring-boot-demo-ratelimit-guava（单机限流保护API，集成Guava的RateLimiter）~~
+- [ ] spring-boot-demo-ratelimit-redis（集群限流保护API，使用 Redis 令牌桶）
 - [ ] spring-boot-demo-https（集成 HTTPS）
 
 ## 备注
 
-尽量保证按照上面的顺序集成相应的 demo。
\ No newline at end of file
+尽量保证按照上面的顺序集成相应的 demo。