Update headers.md

add details for `accessControlMaxAge`. Value in seconds.
traefik · Apr 14, 2020 · d03a0fa · d03a0fa
1 parent 76c2fa6
commit d03a0fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/content/middlewares/headers.md b/docs/content/middlewares/headers.md
@@ -322,7 +322,7 @@ The `accessControlExposeHeaders` indicates which headers are safe to expose to t
 
 ### `accessControlMaxAge`
 
-The `accessControlMaxAge` indicates how long a preflight request can be cached.
+The `accessControlMaxAge` indicates how long (in seconds) a preflight request can be cached.
 
 ### `addVaryHeader`