Improve JavaDoc for ConfigurableApplicationContext.refresh()

Closes gh-25380

spring-context/src/main/java/org/springframework/context/ConfigurableApplicationContext.java

@@ -166,11 +166,12 @@ public interface ConfigurableApplicationContext extends ApplicationContext, Life
 	void addProtocolResolver(ProtocolResolver resolver);
 
 	/**
-	 * Load or refresh the persistent representation of the configuration,
-	 * which might an XML file, properties file, or relational database schema.
+	 * Load or refresh the persistent representation of the configuration, which
+	 * might be from Java-based configuration, an XML file, a properties file, a
+	 * relational database schema, or some other format.
 	 * <p>As this is a startup method, it should destroy already created singletons
 	 * if it fails, to avoid dangling resources. In other words, after invocation
-	 * of that method, either all or no singletons at all should be instantiated.
+	 * of this method, either all or no singletons at all should be instantiated.
 	 * @throws BeansException if the bean factory could not be initialized
 	 * @throws IllegalStateException if already initialized and multiple refresh
 	 * attempts are not supported