diff --git a/changelog.d/4923.misc b/changelog.d/4923.misc
new file mode 100644
index 0000000000..8b5e1e3c81
--- /dev/null
+++ b/changelog.d/4923.misc
@@ -0,0 +1 @@
+Fix nginx example in ACME doc.
diff --git a/docs/ACME.md b/docs/ACME.md
index 46136a9f2c..9eb18a9cf5 100644
--- a/docs/ACME.md
+++ b/docs/ACME.md
@@ -67,7 +67,7 @@ For nginx users, add the following line to your existing `server` block:
 
 ```
 location /.well-known/acme-challenge {
-    proxy_pass http://localhost:8009/;
+    proxy_pass http://localhost:8009;
 }
 ```