[DOCS] Fixes admonition formatting (#77393)

Author: lcawl

docs/reference/ml/df-analytics/apis/put-trained-model-definition-part.asciidoc

@@ -7,9 +7,10 @@
 <titleabbrev>Create part of a trained model</titleabbrev>
 ++++
 
-Creates part of a trained model definition.
 experimental::[]
 
+Creates part of a trained model definition.
+
 [[ml-put-trained-model-definition-part-request]]
 == {api-request-title}