diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2165fb1..5b3128a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+
+- Rename the HashiCorp Vault `namespace` setup field label to "Namespace" and clarify its description (namespace and path prefix where parameters are stored).
+
 ## [0.2.0] - 2026-07-14
 ### Added
 
diff --git a/parameters/providers/hashicorp-vault/specs/install/hashicorp-vault-configuration.json.tpl b/parameters/providers/hashicorp-vault/specs/install/hashicorp-vault-configuration.json.tpl
index 6559e8b..1bbdf28 100644
--- a/parameters/providers/hashicorp-vault/specs/install/hashicorp-vault-configuration.json.tpl
+++ b/parameters/providers/hashicorp-vault/specs/install/hashicorp-vault-configuration.json.tpl
@@ -51,8 +51,8 @@
           },
           "namespace": {
             "type": "string",
-            "title": "KV path prefix",
-            "description": "Vault KV v2 mount + path prefix under which parameters are stored. Must include the KV v2 `data/` segment (e.g. secret/data/nullplatform). This is a KV path prefix, not a Vault Enterprise namespace.",
+            "title": "Namespace",
+            "description": "Namespace and path prefix under which parameters are stored. Must include the KV v2 `data/` segment (e.g. secret/data/nullplatform).",
             "order": 2,
             "default": "secret/data/nullplatform"
           },