[Docs] Typo fixed in youtube-channel.mdx (#1252)

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

@@ -7,7 +7,7 @@ title: '📽️ Youtube Channel'
 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