docs: Update attachment sizing guide

Author: szuperaz

docusaurus/docs/Angular/components/AttachmentListComponent.mdx

@@ -61,7 +61,9 @@ Based on the CSS settings provided for images and videos, the SDK will load an i
 
 #### Aspect ratio
 
-The SDK will try to display images and videos with their original aspect ratio, however this isn't always guaranteed. Three notable exceptions are:
+The following description is applicable for [theme-v2](../theming/introduction.mdx).
+
+The SDK will try to display images and videos with their original aspect ratio, however this isn't always guaranteed (in those cases a cropped image will be displayed). Three notable exceptions are:
 
 1. if a message contains multiple lines of texts and/or multiple attachments, the image/video might be stretched to its `max-width`
 
@@ -88,7 +90,7 @@ The SDK will try to display images and videos with their original aspect ratio,
 :::danger
 **If you're planning to rewrite attachment sizing with your own CSS code** it's important to note that:
 
-The sizing logic for images and videos inside the [`AttachmentConfigurationService`](../services/AttachmentConfigurationService.mdx) requires that host elements of images and videos (ususally `img` and `video` elements) have `max-height`/`height` and `max-width` properties defined and that these values can be computed to a valid pixel value using the [`getComputedStyle`](https://developer.mozilla.org/en-US/docs/Web/API/Window/getComputedStyle).
+The sizing logic for images and videos inside the [`AttachmentConfigurationService`](../services/AttachmentConfigurationService.mdx) requires that host elements of images and videos (ususally `img` and `video` elements) have `max-height`/`height` and `max-width` properties defined and that these values can be computed to a valid pixel value using the [`getComputedStyle`](https://developer.mozilla.org/en-US/docs/Web/API/Window/getComputedStyle) (for more information refer to the [Maximum size](#maximum-size) section).
 :::
 
 [//]: # "Start of generated content"