Updated v2: Documentation (markdown)

v2:-Documentation.md

@@ -246,8 +246,8 @@ Caddy modules are the evolution of "plugins" in Caddy 1, and although modules ar
 Each Caddy module has a name, scope/namespace, and ID:
 
 - A name looks like `a.b.c.module_id`
-- The namespace would be `a.b.c`.
-- The module ID is `module_id` which must be unique in its namespace.
+- The namespace would be `a.b.c`
+- The module ID is `module_id` which must be unique in its namespace
 
 When the context makes it obvious what the namespace is, we generally refer to the module ID as the name, or use the terms interchangably; and in conversation the namespace can be omitted.
 
@@ -323,7 +323,7 @@ Configures the administration endpoint.
 }
 ```
 
-- `listen`: the address to which the admin endpoint's listener should bind itself.
+- `listen`: the address to which the admin endpoint's listener should bind itself. At least one listener is required.
 
 ## storage
 
@@ -1219,6 +1219,7 @@ A distributed STEK provider module. This allows Caddy to share STEKs among other
 
 ```json
 {
+	"provider": "distributed",
 	"storage": {}
 }
 ```