diff --git a/src/docs/markdown/caddyfile/directives/header.md b/src/docs/markdown/caddyfile/directives/header.md
index feac2e5..916fb74 100644
--- a/src/docs/markdown/caddyfile/directives/header.md
+++ b/src/docs/markdown/caddyfile/directives/header.md
@@ -72,6 +72,6 @@ Multiple header directives that are intended to be mutually-exclusive:
 ```
 route {
 	header           Cache-Control max=age=3600
-	header /static/* Cache-Control max=age=31536000
+	header /static/* Cache-Control max-age=31536000
 }
 ```