missing new lines

core/src/main/java/hudson/tools/JDKInstaller.java

@@ -360,7 +360,7 @@ public class JDKInstaller extends ToolInstaller {
             String u = getDescriptor().getUsername();
             Secret p = getDescriptor().getPassword();
             if (u==null || p==null) {
-                log.hyperlink(getCredentialPageUrl(),"Oracle now requires Oracle account to download previous versions of JDK. Please specify your Oracle account username/password.");
+                log.hyperlink(getCredentialPageUrl(),"Oracle now requires Oracle account to download previous versions of JDK. Please specify your Oracle account username/password.\n");
                 throw new AbortException("Unable to install JDK unless a valid username/password is provided.");
             }
 
@@ -380,7 +380,7 @@ public class JDKInstaller extends ToolInstaller {
             try {
                 // real authentication page
                 if (authCount++ > 3) {
-                    log.hyperlink(getCredentialPageUrl(),"Your Oracle account doesn't appear valid. Please specify a valid username/password");
+                    log.hyperlink(getCredentialPageUrl(),"Your Oracle account doesn't appear valid. Please specify a valid username/password\n");
                     throw new AbortException("Unable to install JDK unless a valid username/password is provided.");
                 }
                 HtmlForm loginForm = html.getFormByName("LoginForm");