diff --git a/README.md b/README.md
index 842b4211c..6dc5ee771 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ Faster and Cheaper than direct cloud storage!
 * [WebDAV] accesses as a mapped drive on Mac and Windows, or from mobile devices.
 * [AES256-GCM Encrypted Storage][FilerDataEncryption] safely stores the encrypted data.
 * [Super Large Files][SuperLargeFiles] stores large or super large files in tens of TB.
-* [Cloud Data Accelerator][RemoteStorage] transparently read and write existing cloud data at local speed with content cache, metadata cache, and asynchronous write back.
+* [Cloud Drive][CloudDrive] mount cloud data to local cluster for fast read and write with asynchronous write back.
 
 ## Kubernetes ##
 * [Kubernetes CSI Driver][SeaweedFsCsiDriver] A Container Storage Interface (CSI) Driver. [![Docker Pulls](https://img.shields.io/docker/pulls/chrislusf/seaweedfs-csi-driver.svg?maxAge=4800)](https://hub.docker.com/r/chrislusf/seaweedfs-csi-driver/)
@@ -169,7 +169,7 @@ Faster and Cheaper than direct cloud storage!
 [ActiveActiveAsyncReplication]: https://github.com/chrislusf/seaweedfs/wiki/Filer-Active-Active-cross-cluster-continuous-synchronization
 [FilerStoreReplication]: https://github.com/chrislusf/seaweedfs/wiki/Filer-Store-Replication
 [KeyLargeValueStore]: https://github.com/chrislusf/seaweedfs/wiki/Filer-as-a-Key-Large-Value-Store
-[RemoteStorage]: https://github.com/chrislusf/seaweedfs/wiki/Cloud-Cache-Architecture
+[CloudDrive]: https://github.com/chrislusf/seaweedfs/wiki/Cloud-Drive-Architecture
 
 
 [Back to TOC](#table-of-contents)
diff --git a/weed/shell/command_remote_cache.go b/weed/shell/command_remote_cache.go
index f032239f3..abd53461b 100644
--- a/weed/shell/command_remote_cache.go
+++ b/weed/shell/command_remote_cache.go
@@ -32,11 +32,14 @@ func (c *commandRemoteCache) Help() string {
 	remote.cache -dir=/xxx
 	remote.cache -dir=/xxx/some/sub/dir
 	remote.cache -dir=/xxx/some/sub/dir -include=*.pdf
+	remote.cache -dir=/xxx/some/sub/dir -exclude=*.txt
+	remote.cache -maxSize=1024000    # cache files smaller than 100K
+	remote.cache -maxAge=3600        # cache files less than 1 hour old
 
 	This is designed to run regularly. So you can add it to some cronjob.
 	If a file is already synchronized with the remote copy, the file will be skipped to avoid unnecessary copy.
 
-	The actual data copying goes through volume severs.
+	The actual data copying goes through volume severs in parallel.
 
 `
 }
diff --git a/weed/shell/command_remote_uncache.go b/weed/shell/command_remote_uncache.go
index 0e5152f78..ac7e44a7d 100644
--- a/weed/shell/command_remote_uncache.go
+++ b/weed/shell/command_remote_uncache.go
@@ -33,6 +33,8 @@ func (c *commandRemoteUncache) Help() string {
 	remote.uncache -dir=/xxx/some/sub/dir
 	remote.uncache -dir=/xxx/some/sub/dir -include=*.pdf
 	remote.uncache -dir=/xxx/some/sub/dir -exclude=*.txt
+	remote.uncache -minSize=1024000    # uncache files larger than 100K
+	remote.uncache -minAge=3600        # uncache files older than 1 hour
 
 `
 }