Update release-notes.md

Author: Juliako

articles/azure-video-indexer/release-notes.md

@@ -53,6 +53,9 @@ The following slate detection (a movie post-production) insights are automatical
 
 For details, see [Slate detection](slate-detection-insight.md).
 
+> [!NOTE]
+> Currently, only available in the trial accounts.
+
 ### New source languages support for STT, translation, and search
 
 Now supporting source languages for STT (speech-to-text), translation, and search in Ukraine and Vietnamese. It means transcription, translation, and search features are also supported for these languages in Azure Video Indexer web applications, widgets and APIs.
@@ -63,12 +66,18 @@ For more information, see [supported languages](language-support.md).
 
 You can now edit the name of the speakers in the transcription using the Azure Video Indexer API. 
 
+> [!NOTE]
+> Currently, only available in the trial accounts.
+
 ### Word level time annotation with confidence score
 
 An annotation is any type of additional information that is added to an already existing text, be it a transcription of an audio file or an original text file. 
 
 Now supporting word level time annotation with confidence score. 
 
+> [!NOTE]
+> Currently, only available in the trial accounts.
+
 ### Azure Monitor integration enabling indexing logs 
 
 The new set of logs, described below, enables you to better monitor your indexing pipeline.
@@ -79,6 +88,9 @@ Azure Video Indexer now supports Diagnostics settings for indexing events. You c
 
 We expanded the languages supported in LID (language identification) and MLID (multi language Identification) using the Azure Video Indexer API.
 
+> [!NOTE]
+> Currently, only available in the trial accounts.
+
 ### Configure confidence level in a person model with an API
 
 Use the [Patch person model](https://api-portal.videoindexer.ai/api-details#api=Operations&operation=Patch-Person-Model) API to configure the confidence level for face recognition within a person model.