diff --git a/ttrss.subdomain.conf.sample b/tt-rss.subdomain.conf.sample
similarity index 70%
rename from ttrss.subdomain.conf.sample
rename to tt-rss.subdomain.conf.sample
index 2f31e70..bc6a66c 100644
--- a/ttrss.subdomain.conf.sample
+++ b/tt-rss.subdomain.conf.sample
@@ -1,9 +1,9 @@
-# make sure that your dns has a cname set for ttrss and your container name is ttrss
-# In tt-rss config.php the SELF_URL_PATH should be set to http://ttrss.server.com/ NOT https://ttrss.server.com although it will be accessible on https://ttrss.server.com
+# make sure that your dns has a cname set for tt-rss and your container name is tt-rss
+# In tt-rss config.php the SELF_URL_PATH should be set to http://tt-rss.server.com/ NOT https://tt-rss.server.com although it will be accessible on https://tt-rss.server.com
 
 server {
     listen 80;
-        server_name ttrss.*;
+        server_name tt-rss.*;
         return 301 https://$server_name$request_uri;
 }
 
@@ -11,7 +11,7 @@ server {
     listen 443 ssl;
     listen [::]:443 ssl;
 
-    server_name ttrss.*;
+    server_name tt-rss.*;
 
     include /config/nginx/ssl.conf;
 
@@ -30,9 +30,9 @@ server {
         #error_page 401 =200 /login;
         
         resolver 127.0.0.11 valid=30s;
-        set $upstream_ttrss ttrss;
-        proxy_pass http://$upstream_ttrss:80;
-        proxy_redirect  http://$upstream_ttrss:80 /;
+        set $upstream_tt_rss tt-rss;
+        proxy_pass http://$upstream_tt_rss:80;
+        proxy_redirect  http://$upstream_tt_rss:80 /;
         proxy_read_timeout 60s;
         proxy_set_header          Host            $host;
         proxy_set_header          X-Real-IP       $remote_addr;