Update index.mdx

Author: dbanksdesign

src/pages/[platform]/ai/set-up-ai/index.mdx

@@ -138,15 +138,15 @@ Install the Amplify client library to your project:
 <InlineFilter filters={["react","nextjs","react-native"]}>
 
 ```bash title="Terminal"
-npm add aws-amplify @aws-amplify/ui-react @aws-amplify/ui-react-ai
+npm install aws-amplify @aws-amplify/ui-react @aws-amplify/ui-react-ai
 ```
 
 </InlineFilter>
 
 <InlineFilter filters={["javascript","vue","angular"]}>
 
 ```bash title="Terminal"
-npm add aws-amplify
+npm install aws-amplify
 ```
 
 </InlineFilter>