diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e0a0ae4667..535da054619 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ All notable changes to this project will be documented in this file.
 
 ### New features
 
+- Support encrypted dataset training (<https://github.com/openvinotoolkit/training_extensions/pull/2209>)
+
 ### Enhancements
 
 ### Bug fixes
diff --git a/otx/cli/tools/train.py b/otx/cli/tools/train.py
index c7334e5dfa1..cc0e4be2c1b 100644
--- a/otx/cli/tools/train.py
+++ b/otx/cli/tools/train.py
@@ -149,7 +149,12 @@ def get_args():
         default=None,
         help="The data.yaml path want to use in train task.",
     )
-    parser.add_argument("--encryption-key", type=str, default=None, help="Encryption key for a")
+    parser.add_argument(
+        "--encryption-key",
+        type=str,
+        default=None,
+        help="Encryption key required to train the encrypted dataset. " "It is not required the non-encrypted dataset",
+    )
 
     sub_parser = add_hyper_parameters_sub_parser(parser, hyper_parameters, return_sub_parser=True)
     # TODO: Temporary solution for cases where there is no template input