website: use lists throughout the docs instead of array

Author: ceh

website/source/docs/configuration/syntax.html.md

@@ -65,7 +65,7 @@ Basic bullet point reference:
 
   * Boolean values: `true`, `false`, `on`, `off`, `yes`, `no`.
 
-  * Arrays of primitive types can be made by wrapping it in `[]`.
+  * Lists of primitive types can be made by wrapping it in `[]`.
     Example: `["foo", "bar", 42]`.
 
   * Maps can be made with the `{}` syntax:
@@ -91,7 +91,7 @@ variable = [{
 ```
 
 Notice how the top stanza visually looks a lot better? By repeating
-multiple `variable` sections, it builds up the `variable` array. When
+multiple `variable` sections, it builds up the `variable` list. When
 possible, use sections since they're visually clearer and more readable.
 
 ## JSON Syntax

website/source/docs/providers/mailgun/r/domain.html.markdown

@@ -43,12 +43,12 @@ The following attributes are exported:
 * `smtp_password` - The password to the SMTP server.
 * `wildcard` - Whether or not the domain will accept email for sub-domains.
 * `spam_action` - The spam filtering setting.
-* `receiving_records` - An array of DNS records for receiving validation.
+* `receiving_records` - A list of DNS records for receiving validation.
     * `priority` - The priority of the record.
     * `record_type` - The record type.
     * `valid` - `"valid"` if the record is valid.
     * `value` - The value of the record.
-* `sending_records` - An array of DNS records for sending validation.
+* `sending_records` - A list of DNS records for sending validation.
     * `name` - The name of the record.
     * `record_type` - The record type.
     * `valid` - `"valid"` if the record is valid.