Polish

spring-boot-project/spring-boot-devtools/src/intTest/java/org/springframework/boot/devtools/tests/JarFileRemoteApplicationLauncher.java

@@ -55,8 +55,7 @@ protected String createApplicationClassPath() throws Exception {
 		List<String> entries = new ArrayList<>();
 		entries.add(appJar.getAbsolutePath());
 		entries.addAll(getDependencyJarPaths());
-		String classpath = StringUtils.collectionToDelimitedString(entries, File.pathSeparator);
-		return classpath;
+		return StringUtils.collectionToDelimitedString(entries, File.pathSeparator);
 	}
 
 	private void addToJar(JarOutputStream output, File root, File current) throws IOException {

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/RestartApplicationListener.java

@@ -62,7 +62,7 @@ public void onApplicationEvent(ApplicationEvent event) {
 	}
 
 	private void onApplicationStartingEvent(ApplicationStartingEvent event) {
-		// It's too early to use the Spring environment but we should still allow
+		// It's too early to use the Spring environment, but we should still allow
 		// users to disable restart using a System property.
 		String enabled = System.getProperty(ENABLED_PROPERTY);
 		RestartInitializer restartInitializer = null;

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/classloader/RestartClassLoader.java

@@ -167,7 +167,7 @@ public boolean isClassReloadable(Class<?> classType) {
 	}
 
 	/**
-	 * Compound {@link Enumeration} that adds an additional item to the front.
+	 * Compound {@link Enumeration} that adds an item to the front.
 	 */
 	private static class CompoundEnumeration<E> implements Enumeration<E> {