Update non-web document note on 2.5.8 Target Size per TF consensus on…

… 29 June

comments-by-guideline-and-success-criterion.md

@@ -657,7 +657,7 @@ For inline targets the line-height is intended to be interpreted as perpendicula
 
 <div class="note">
 
-Some document formats do not have a default zoom level, but have commonly available user agents that allow users to view the content at a wide range of sizes. When evaluating such documents, it is a best practice to choose a starting zoom level appropriate for the intended usage of the content.</div>
+Some document formats are designed for viewing at a wide range of zoom levels provided by the user agent. However, the commonly available user agents for these formats may lack a consistent base zoom level from which to evaluate this criterion. For such documents, evaluate target sizes at a zoom level that aligns with the intended usage of the content.</div>
 
 (for non-web software)