diff --git a/public/authors/index.html b/public/authors/index.html
index ef0a37a..7df1b7c 100755
--- a/public/authors/index.html
+++ b/public/authors/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/authors/">🇩🇪</a>
+                <a href="/ru/authors/">🇷🇺</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/ru/authors/">🇷🇺</a>
+                <a href="/de/authors/">🇩🇪</a>
               </li>
             
           
diff --git a/public/de/sitemap.xml b/public/de/sitemap.xml
index a78d503..f5b26de 100755
--- a/public/de/sitemap.xml
+++ b/public/de/sitemap.xml
@@ -3,11 +3,6 @@
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>http://markinstefan.xyz/de/authors/</loc>
-    <xhtml:link
-                rel="alternate"
-                hreflang="de"
-                href="http://markinstefan.xyz/de/authors/"
-                />
     <xhtml:link
                 rel="alternate"
                 hreflang="en"
@@ -18,6 +13,11 @@
                 hreflang="ru"
                 href="http://markinstefan.xyz/ru/authors/"
                 />
+    <xhtml:link
+                rel="alternate"
+                hreflang="de"
+                href="http://markinstefan.xyz/de/authors/"
+                />
   </url><url>
     <loc>http://markinstefan.xyz/de/categories/</loc>
     <xhtml:link
diff --git a/public/en/sitemap.xml b/public/en/sitemap.xml
index cbbfc62..2837c9d 100755
--- a/public/en/sitemap.xml
+++ b/public/en/sitemap.xml
@@ -3,6 +3,11 @@
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>http://markinstefan.xyz/authors/</loc>
+    <xhtml:link
+                rel="alternate"
+                hreflang="ru"
+                href="http://markinstefan.xyz/ru/authors/"
+                />
     <xhtml:link
                 rel="alternate"
                 hreflang="de"
@@ -13,11 +18,6 @@
                 hreflang="en"
                 href="http://markinstefan.xyz/authors/"
                 />
-    <xhtml:link
-                rel="alternate"
-                hreflang="ru"
-                href="http://markinstefan.xyz/ru/authors/"
-                />
   </url><url>
     <loc>http://markinstefan.xyz/categories/</loc>
     <xhtml:link
diff --git a/public/index.html b/public/index.html
old mode 100644
new mode 100755
diff --git a/public/rsvp-submit.php b/public/rsvp-submit.php
index 2219ab5..3dc58b0 100755
--- a/public/rsvp-submit.php
+++ b/public/rsvp-submit.php
@@ -204,6 +204,7 @@ EOD;
 
     error_log('RSVP mail error: ' . $mail->ErrorInfo);
 
-    http_response_code(500);
-    echo 'An error occurred while sending the RSVP.';
+    echo '<pre>';
+    echo htmlspecialchars($mail->ErrorInfo);
+    echo '</pre>';
 }
diff --git a/static/rsvp-submit.php b/static/rsvp-submit.php
index 2219ab5..3dc58b0 100755
--- a/static/rsvp-submit.php
+++ b/static/rsvp-submit.php
@@ -204,6 +204,7 @@ EOD;
 
     error_log('RSVP mail error: ' . $mail->ErrorInfo);
 
-    http_response_code(500);
-    echo 'An error occurred while sending the RSVP.';
+    echo '<pre>';
+    echo htmlspecialchars($mail->ErrorInfo);
+    echo '</pre>';
 }