Clarify that placeholder data is placeholder

Co-authored-by: Jake Howard <RealOrangeOne@users.noreply.github.com>

stream.html

@@ -22,7 +22,7 @@
 <div id="overlay-top">
 	<div id="overlay-top-content" class="sbox-small flair hidden">
 		<div class="content">
-            <p><span class="match-id">Match 4</span> <span class="match-type">(league)</span></p>
+            <p><span class="match-id">Match ??</span> <span class="match-type">(??)</span></p>
 		</div>
 	</div>
 </div>