diff --git a/defaults/nginx.conf b/defaults/nginx.conf
index cf1f033..2088ca4 100644
--- a/defaults/nginx.conf
+++ b/defaults/nginx.conf
@@ -36,14 +36,14 @@ http {
     index index.html;
 
     location = / {
-      return 307 $pass_scheme://$pass_host/wdc;
+      return 307 $pass_scheme://$pass_host/wdc/;
     }
 
     location = /index.html {
       return 307 $pass_scheme://$pass_host/wdc/index.html;
     }
 
-    location ~* \.(html|json)$ {
+    location ~* \.html$ {
       expires modified 120s;
     }
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 08a4f34..7b7531b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -26,7 +26,7 @@ if [ "$(id -u)" = 0 ]; then
     nginx -c /defaults/nginx.conf
   fi
 
-  # skin config
+  # skin config: WDC
   rm -f ./skins/weewx-wdc/skin.conf
   if [ -e /data/skin-wdc/skin.conf ]; then
     ln -s /data/skin-wdc/skin.conf ./skins/weewx-wdc/skin.conf