diff --git a/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java b/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
index 3674357..c2a263e 100644
--- a/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
+++ b/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
@@ -20,7 +20,10 @@ import com.gpki.gpkiapi.storage.Disk;
 import cokr.xit.foundation.AbstractComponent;
 import cokr.xit.foundation.data.JSON;
 
-/**GPKI(행정전자서명) API 유틸리티. 올바로 동작하려면 {@link Config intf-conf/gpki.conf}를 설정해야 한다.
+/**GPKI(행정전자서명) API 유틸리티. 올바로 동작하려면
+ * <ul><li>{@link Config intf-conf/gpki.conf}를 설정해야 한다.</li>
+ *     <li>libgpkiapi_jni_1.5.jar를 lib 디렉토리에 두어야 한다.</li>
+ * </ul>
  * @author mjkhan
  */
 public class GPKI extends AbstractComponent {