diff --git a/files/routes/errors.py b/files/routes/errors.py
index 0cb13116f..f14e841fc 100644
--- a/files/routes/errors.py
+++ b/files/routes/errors.py
@@ -13,8 +13,9 @@ WERKZEUG_ERROR_DESCRIPTIONS = {
 	405: "The method is not allowed for the requested URL.",
 	406: "The resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.",
 	413: "The data value transmitted exceeds the capacity limit.",
-	414: "The length of the requested URL exceeds the capacity limit for  this server. The request cannot be processed.",
+	414: "The length of the requested URL exceeds the capacity limit for this server. The request cannot be processed.",
 	415: "The server does not support the media type transmitted in the request.",
+	417: "The server could not meet the requirements of the Expect header",
 	418: "This server is a teapot, not a coffee machine",
 	429: "This user has exceeded an allotted request count. Try again later.",
 	500: "The server encountered an internal error and was unable to  complete your request. Either the server is overloaded or there is an error in the application.",
diff --git a/files/templates/errors/error.html b/files/templates/errors/error.html
index a813bafc0..c29d284b9 100644
--- a/files/templates/errors/error.html
+++ b/files/templates/errors/error.html
@@ -15,9 +15,9 @@
 			{%- endif %}
 			<pre></pre>
 			<h1 class="h5">{{code}} {{title}}</h1>
-			<p class="text-muted mb-5">{{msg|safe}}</p>
+			<p class="text-muted error-description">{{msg|safe}}</p>
 			{% if details -%}
-				<blockquote class="error-details">{{details|safe}}</blockquote>
+				<blockquote class="error-details mb-5">{{details|safe}}</blockquote>
 			{%- endif %}
 			<div><a href="/" class="btn btn-primary">Go to frontpage</a></div>
 		</div>