typo on installation.md (#8373)

Ajayff4 · timdorr · web-flow · commit cffbff10d533 · 2021-12-05T20:58:02.000-05:00
Co-authored-by: Tim Dorr &lt;timdorr@users.noreply.github.com&gt;
diff --git a/contributors.yml b/contributors.yml
@@ -6,6 +6,7 @@
 - markivancho
 - mcansh
 - noisypigeon
+- Ajayff4
 - paulsmithkc
 - petersendidit
 - shivamsinghchahar
diff --git a/docs/getting-started/tutorial.md b/docs/getting-started/tutorial.md
@@ -53,7 +53,7 @@ Then install React Router dependencies:
 
 ```sh
 cd router-tutorial
-npm add react-router-dom@6 history@5
+npm install react-router-dom@6 history@5
 ```
 
 Then edit your App.js to be pretty boring:
