Add comment (open-telemetry#7135)

Author: trask

conventions/src/main/kotlin/io.opentelemetry.instrumentation.javaagent-shadowing.gradle.kts

@@ -17,10 +17,10 @@ tasks.withType<ShadowJar>().configureEach {
   // rewrite dependencies calling Logger.getLogger
   relocate("java.util.logging.Logger", "io.opentelemetry.javaagent.bootstrap.PatchLogger")
 
-  // prevents conflict with library instrumentation
+  // prevents conflict with library instrumentation, since these classes live in the bootstrap class loader
   relocate("io.opentelemetry.instrumentation", "io.opentelemetry.javaagent.shaded.instrumentation")
 
-  // relocate(OpenTelemetry API)
+  // relocate(OpenTelemetry API) since these classes live in the bootstrap class loader
   relocate("io.opentelemetry.api", "io.opentelemetry.javaagent.shaded.io.opentelemetry.api")
   relocate("io.opentelemetry.semconv", "io.opentelemetry.javaagent.shaded.io.opentelemetry.semconv")
   relocate("io.opentelemetry.context", "io.opentelemetry.javaagent.shaded.io.opentelemetry.context")