[Docs] Typo fixed youtube-video.mdx (#1253)

docs/components/data-sources/youtube-video.mdx

@@ -7,7 +7,7 @@ title: '📺 Youtube Video'
 Make sure you have all the required packages installed before using this data type. You can install them by running the following command in your terminal.
 
 ```bash
-pip install -u "embedchain[youtube]"
+pip install -U "embedchain[youtube]"
 ```
 
 ## Usage