diff --git a/api-ref/source/os-hypervisors.inc b/api-ref/source/os-hypervisors.inc
index 6532fa767b47..602d66b938b4 100644
--- a/api-ref/source/os-hypervisors.inc
+++ b/api-ref/source/os-hypervisors.inc
@@ -84,7 +84,11 @@ Response
 
 **Example List Hypervisors Details: JSON request**
 
-.. literalinclude:: ../../doc/api_samples/os-hypervisors/hypervisors-detail-resp.json
+.. note::
+
+   This API sample is actual since microversion v2.28
+
+.. literalinclude:: ../../doc/api_samples/os-hypervisors/v2.28/hypervisors-detail-resp.json
    :language: javascript
 
 Show Hypervisor Statistics
@@ -177,7 +181,11 @@ Response
 
 **Example Show Hypervisor Details: JSON response**
 
-.. literalinclude:: ../../doc/api_samples/os-hypervisors/hypervisors-show-resp.json
+.. note::
+
+   This API sample is actual since microversion v2.28
+
+.. literalinclude:: ../../doc/api_samples/os-hypervisors/v2.28/hypervisors-show-resp.json
    :language: javascript
 
 Show Hypervisor Uptime
diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 4b803db621c7..3b6dc0d6494d 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -1072,8 +1072,12 @@ cores_quota_optional:
   type: integer
 cpu_info:
   description: |
-    The cpu information object. The content of this field is hypervisor
-    specific.
+    A dictionary that contains cpu information like ``arch``, ``model``,
+    ``vendor``, ``features`` and ``topology``. The content of this field is
+    hypervisor specific.
+
+    NOTE: Since version 2.28 ``cpu_info`` field is returned as a dictionary
+    instead of string.
   in: body
   required: true
   type: object