diff --git a/Directories-and-Files.md b/Directories-and-Files.md
index 5b8ad8e..6b45bf1 100644
--- a/Directories-and-Files.md
+++ b/Directories-and-Files.md
@@ -90,7 +90,7 @@ It is easy to switch between different filer stores (except memory store).
 
 For example:
 ```sh
-weed filer.export -sourceStore=mysql -targetStroe=cassandra
+weed filer.export -sourceStore=mysql -targetStore=cassandra
 ```
 
 ### Extending Storage Options