Update C500

Author: AgentIsai

C500.html

@@ -91,7 +91,7 @@
 			<a href="https://wikiforge.net">
 				<img src="https://static.wikiforge.net/metawiki/8/88/WikiForge_Logo.svg" width="130" height="130" alt="WikiForge" />
 			</a>
-			<p>::CLOUDFLARE_ERROR_500S_BOX::</p>
+			<p>::CLOUDFLARE_ERROR_1000S_BOX::</p>
 			<a href="javascript:document.location.reload(true);" class="btn btn-outline-primary" role="button">Try again</a>
 		</div>
 	</div>