diff --git a/doc/source/cli/command-objects/flavor.rst b/doc/source/cli/command-objects/flavor.rst
index 2d946de30..f22463b78 100644
--- a/doc/source/cli/command-objects/flavor.rst
+++ b/doc/source/cli/command-objects/flavor.rst
@@ -79,7 +79,8 @@ Create new flavor
 
 .. option:: --description <description>
 
-    Description to add for this flavor
+    Description to add for this flavor. Only available starting with
+    ``--os-compute-api-version 2.55``.
 
 .. _flavor_create-flavor-name:
 .. describe:: <flavor-name>
@@ -176,7 +177,8 @@ Set flavor properties
 
 .. option:: --description <description>
 
-    Set description to this flavor
+    Description to set for this flavor. Only available starting with
+    ``--os-compute-api-version 2.55``.
 
 .. describe:: <flavor>
 
diff --git a/releasenotes/notes/flavor-add-description-b618abd4a7fb6545.yaml b/releasenotes/notes/flavor-add-description-b618abd4a7fb6545.yaml
index f148175f7..0d22354f7 100644
--- a/releasenotes/notes/flavor-add-description-b618abd4a7fb6545.yaml
+++ b/releasenotes/notes/flavor-add-description-b618abd4a7fb6545.yaml
@@ -1,6 +1,8 @@
 ---
 features:
   - Add ``--description`` option to ``flavor set`` command to update the
-    description of the server.
+    description of the flavor. Only available starting with
+    ``--os-compute-api-version 2.55``.
   - Add ``--description`` option to ``flavor create`` command to set the
-    description of the server.
+    description of the flavor. Only available starting with
+    ``--os-compute-api-version 2.55``.