Polish

Closes gh-9570

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/ResourceServerProperties.java

@@ -234,7 +234,7 @@ public class ResourceServerProperties implements BeanFactoryAware {
 						"Missing tokenInfoUri and userInfoUri and there is no "
 								+ "JWT verifier key");
 			}
-			if (StringUtils.hasText(this.tokenInfoUri) && this.isPreferTokenInfo()) {
+			if (StringUtils.hasText(this.tokenInfoUri) && isPreferTokenInfo()) {
 				if (!StringUtils.hasText(this.clientSecret)) {
 					errors.rejectValue("clientSecret", "missing.clientSecret",
 							"Missing client secret");

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/sendgrid/SendGridProperties.java

@@ -29,7 +29,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class SendGridProperties {
 
 	/**
-	 * SendGrid api key. Alternative to username/password.
+	 * SendGrid API key.
 	 */
 	private String apiKey;
 

spring-boot-cli/src/main/java/org/springframework/boot/cli/command/run/SpringApplicationRunner.java

@@ -160,7 +160,7 @@ public class SpringApplicationRunner {
 			super("runner-" + (runnerCounter++));
 			this.compiledSources = compiledSources;
 			if (compiledSources.length != 0) {
-				setContextClassLoader(((Class<?>) compiledSources[0]).getClassLoader());
+				setContextClassLoader(compiledSources[0].getClassLoader());
 			}
 			setDaemon(true);
 		}

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -139,7 +139,7 @@ content into your application; rather pick only the properties that you need.
 	spring.reactor.stacktrace-mode.enabled=false # Set whether Reactor should collect stacktrace information at runtime.
 
 	# SENDGRID ({sc-spring-boot-autoconfigure}/sendgrid/SendGridAutoConfiguration.{sc-ext}[SendGridAutoConfiguration])
-	spring.sendgrid.api-key= # SendGrid api key (alternative to username/password)
+	spring.sendgrid.api-key= # SendGrid API key.
 	spring.sendgrid.proxy.host= # SendGrid proxy host.
 	spring.sendgrid.proxy.port= # SendGrid proxy port.