diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
index 7a1a458..ea216ef 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
@@ -1136,7 +1136,7 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 					caption+= " a zip Archive";
 					upType = UPLOAD_TYPE.Archive;
 				}else if(fileUploadEvent.getUploadType().compareTo(WS_UPLOAD_TYPE.File)==0){
-					caption+= "File";
+					caption+= "File/s";
 					upType = UPLOAD_TYPE.File;
 				}
 					
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsExplorer.java
index 7df9e53..22e603b 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsExplorer.java
@@ -38,7 +38,7 @@ public class ConstantsExplorer {
 	public static final String MESSAGE_RENAME = "Rename";
 	public static final String MESSAGE_DELETE_ITEM = "Delete Item";
 	public static final String MESSAGE_DELETE = "Delete";
-	public static final String MESSAGE_UPLOAD_FILE = "Upload File";
+	public static final String MESSAGE_UPLOAD_FILE = "Upload File/s";
 	public static final String MESSAGE_UPLOAD_ARCHIVE = "Upload Archive";
 	public static final String MESSAGE_FOLDER_NAME = "Folder Name";
 	public static final String MESSAGE_SMART_FOLDER_NAME = "Smart Folder Name";