Minor doc edits

Signed-off-by: Gopal S Akshintala <gopala.akshintala@salesforce.com>

Author: overfullstack

.idea/kotlinc.xml

@@ -38,7 +38,7 @@ sdk install java 21.0.8-amzn
 
 === Build with Gradle
 
-This is a simple Gradle project and has its own Gradle wrapper. Nothing to install, run just this command:
+This is a simple Gradle project and has its own Gradle wrapper. You may need `npm` installed and nothing else, run just this command:
 
 [source,bash]
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