diff --git a/docs/admin-manual/install/install-using-the-installer.md b/docs/admin-manual/install/install-using-the-installer.md
index 4d132ec73..b1f39029c 100644
--- a/docs/admin-manual/install/install-using-the-installer.md
+++ b/docs/admin-manual/install/install-using-the-installer.md
@@ -230,6 +230,9 @@ server {
 
   server_name libretime.example.org;
 
+  client_max_body_size 512M;
+  client_body_timeout 300s;
+
   location / {
     proxy_set_header Host              $host;
     proxy_set_header X-Real-IP         $remote_addr;
diff --git a/docs/admin-manual/install/reverse-proxy.md b/docs/admin-manual/install/reverse-proxy.md
index b84a5bfb4..d81808d7b 100644
--- a/docs/admin-manual/install/reverse-proxy.md
+++ b/docs/admin-manual/install/reverse-proxy.md
@@ -76,6 +76,9 @@ server {
     listen 80;
     server_name libretime.example.org;
 
+    client_max_body_size 512M;
+    client_body_timeout 300s;
+
     location / {
         proxy_set_header Host              $host;
         proxy_set_header X-Real-IP         $remote_addr;
@@ -124,6 +127,9 @@ server {
     listen 80;
     server_name libretime.example.org;
 
+    client_max_body_size 512M;
+    client_body_timeout 300s;
+
     if ($host = libretime.example.org) {
         return 301 https://$host$request_uri;
     } # managed by Certbot
@@ -135,6 +141,9 @@ server {
     listen 443 ssl; # managed by Certbot
     server_name libretime.example.org;
 
+    client_max_body_size 512M;
+    client_body_timeout 300s;
+
     ssl_certificate /etc/letsencrypt/live/libretime.example.org/fullchain.pem; # managed by Certbot
     ssl_certificate_key /etc/letsencrypt/live/libretime.example.org/privkey.pem; # managed by Certbot
     include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot