diff --git a/src/main/webapp/error/401.html b/src/main/webapp/error/401.html
index 63363fc8696af255fe3ed9636098409f14f747ed..f1b706210c36b8fc6b6802378aa314c71a4768a8 100644
--- a/src/main/webapp/error/401.html
+++ b/src/main/webapp/error/401.html
@@ -9,7 +9,7 @@
 	<article>
 		<h1>401 - UNAUTORIZED</h1>
 		<p>
-			Sorry, you must be authorized to request this ressource
+			Sorry, you must be authorized to request this resource
 		</p>
 	</article>
 </body>
diff --git a/src/main/webapp/error/403.html b/src/main/webapp/error/403.html
index 78d4f35cf0206b5b2cdefb8c77586c1a054b16d7..395c74bb8a6688e8201c45c4d2641c599c5e2c95 100644
--- a/src/main/webapp/error/403.html
+++ b/src/main/webapp/error/403.html
@@ -9,7 +9,7 @@
 	<article>
 		<h1>403 - FORBIDDEN</h1>
 		<p>
-			Sorry, you are not allowed to request this ressource
+			Sorry, you are not allowed to request this resource
 		</p>
 	</article>
 </body>
diff --git a/src/main/webapp/error/404.html b/src/main/webapp/error/404.html
index 6bae8b1508116f29142ee724763d204522cc3f36..714ec03251acdb0e2fb358123da0344ffb7dd338 100644
--- a/src/main/webapp/error/404.html
+++ b/src/main/webapp/error/404.html
@@ -9,7 +9,7 @@
 	<article>
 		<h1>404 - NOT FOUND</h1>
 		<p>
-			Sorry, the ressource you are requesting could not be found
+			Sorry, the resource you are requesting could not be found
 		</p>
 	</article>
 </body>
diff --git a/src/main/webapp/error/503.html b/src/main/webapp/error/503.html
new file mode 100644
index 0000000000000000000000000000000000000000..bc7427392787054990e4aa557a9cc8b57cf8bc5b
--- /dev/null
+++ b/src/main/webapp/error/503.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="UTF-8">
+	<title>Not Found</title>
+	<link href="error/error.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+	<article>
+		<h1>503 - SERVICE UNAVAILABLE</h1>
+		<p>
+			Sorry, this should not happen.
+		</p>
+	</article>
+</body>
+</html>
\ No newline at end of file