diff --git a/17_React_Router/17_react_router.md b/17_React_Router/17_react_router.md
index 6175f0f..d85892f 100644
--- a/17_React_Router/17_react_router.md
+++ b/17_React_Router/17_react_router.md
@@ -61,7 +61,7 @@ import {
 } from 'react-router-dom'
 ```
 
-We may not all these components in every project but it is good to know that it exists.
+We may not need to know all these components in every project but it is good to know that it exists.
 
 ## BroswerRouter