Fix javadoc of ResolveMainClassName setClasspath(Object)

Closes gh-30468

Author: wilkinsona

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/ResolveMainClassName.java

@@ -91,8 +91,8 @@ public void setClasspath(FileCollection classpath) {
 	}
 
 	/**
-	 * Sets the classpath to include in the archive. The given {@code classpath} is
-	 * evaluated as per {@link Project#files(Object...)}.
+	 * Sets the classpath that the task will examine when resolving the main class name.
+	 * The given {@code classpath} is evaluated as per {@link Project#files(Object...)}.
 	 * @param classpath the classpath
 	 * @since 2.5.10
 	 */