diff -r eaca4369b068 -r e094d5483bd6 src/jdk.packager.services/share/classes/jdk/packager/services/singleton/SingleInstanceService.java
--- a/src/jdk.packager.services/share/classes/jdk/packager/services/singleton/SingleInstanceService.java	Fri Oct 12 19:00:51 2018 -0400
+++ b/src/jdk.packager.services/share/classes/jdk/packager/services/singleton/SingleInstanceService.java	Wed Oct 17 13:50:11 2018 -0400
@@ -38,9 +38,9 @@
 /**
  * The {@code SingleInstanceService} class provides public methods for using
  * Single Instance functionality for Java Packager. To use these methods,
- * the option named "-singleton" must be specified on javapackager command line.
+ * the option named "-singleton" must be specified on jpackager command line.
  *
- * @since 10
+ * @since 12
  */
 public class SingleInstanceService {
 
@@ -59,7 +59,7 @@
     static final String ENCODING_PLATFORM_NAME = "UTF-8";
     static final String ENCODING_UNICODE_NAME = "UTF-16LE";
 
-    static final String APP_ID_PREFIX = "javapackager.si.";
+    static final String APP_ID_PREFIX = "jpackager.si.";
 
     private SingleInstanceService() {}