Apply suggestions from code review

Author: lawmicha

src/pages/[platform]/build-a-backend/data/aws-appsync-apollo-extensions/index.mdx

@@ -48,7 +48,7 @@ The Amplify library provides components to facilitate configuring the authorizer
 
 ### Install the AWS AppSync Apollo library
 
-Add AWS AppSync Apollo Extensions dependency to your app/build.gradle.kts file:
+Add `apollo-appsync` dependency to your app/build.gradle.kts file:
 
 ```kotlin title="app/build.gradle.kts"
 dependencies {