diff --git a/Directories-and-Files.md b/Directories-and-Files.md
index fd8d744..08879d1 100644
--- a/Directories-and-Files.md
+++ b/Directories-and-Files.md
@@ -82,7 +82,7 @@ For directory renaming, it will be O(N) operations, with N as the number of file
 
 Clients can assess one "weed filer" via HTTP, list files under a directory, create files via HTTP POST, read files via HTTP GET directly.
 
-Although one "weed filer" can only sits in one machine, you can start multiple "weed filer" on several machines, each "weed filer" instance running in its own collection, having its own namespace, but sharing the same SeaweedFS storage.
+Although one "weed filer" can only sit in one machine, you can start multiple "weed filer" on several machines, each "weed filer" instance running in its own collection, having its own namespace, but sharing the same SeaweedFS storage.
 
 ### Filer Linearly Scalable