Clarify role of factory in javadocs

See #323

Author: dsyer

spring-grpc-core/src/main/java/org/springframework/grpc/client/ImportGrpcClients.java

@@ -38,43 +38,60 @@
 public @interface ImportGrpcClients {
 
 	/**
-	 * The name or base URL of the gRPC server to connect to. If not specified, the client
+	 * The name or base URL of the gRPC server to connect to. If not specified, the
+	 * client
 	 * will connect to the default server.
+	 * 
 	 * @return the name or base URL of the server
 	 */
 	String target() default "default";
 
 	/**
-	 * The prefix to use when creating bean definitions for clients, completed by the
-	 * simple name of the class. Default is empty. You only need to specify a value if you
-	 * define more than one client of the same type (or with types that have the same name
+	 * The prefix to use when creating bean definitions for clients, completed by
+	 * the
+	 * simple name of the class. Default is empty. You only need to specify a value
+	 * if you
+	 * define more than one client of the same type (or with types that have the
+	 * same name
 	 * in different packages).
+	 * 
 	 * @return the prefix
 	 */
 	String prefix() default "";
 
 	/**
 	 * Concrete types of the stubs to create.
+	 * 
 	 * @return the types of the stubs
 	 */
 	Class<?>[] types() default {};
 
 	/**
-	 * The factory type to use to create the stubs. Only needed if you are scanning (with
-	 * basePackageClasses or basePackages) and you need to customize the stub creation.
+	 * The factory type to use to create the stubs. Only needed if you are scanning
+	 * (with
+	 * basePackageClasses or basePackages) and you need to customize the stub
+	 * creation.
+	 * 
 	 * @return the factory type, default is {@link BlockingStubFactory}
 	 */
 	Class<? extends StubFactory<?>> factory() default UnspecifiedStubFactory.class;
 
 	/**
 	 * The base package classes to scan for stub implementations. If not specified,
 	 * scanning will be done from the package of the class with this annotation.
+	 * When a stub is found, a client bean will be created for it using the
+	 * configured
+	 * {@link #factory()}.
+	 * 
 	 * @return the base package classes for scanning
 	 */
 	Class<?>[] basePackageClasses() default {};
 
 	/**
-	 * The base packages to scan for stub implementations.
+	 * The base packages to scan for stub implementations. When a stub is found, a
+	 * client bean will be created for it using the configured
+	 * {@link #factory()}.
+	 * 
 	 * @return the base packages for scanning
 	 */
 	String[] basePackages() default {};