Clarify the need for server for extra dns tests (#610)

I did read this, but I guess I went over it a little too fast. I'm hopping the language clarifies that server is required.
goss-org · Sep 7, 2020 · bad8f38 · bad8f38
1 parent af4e862
commit bad8f38
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/manual.md b/docs/manual.md
@@ -494,7 +494,7 @@ dns:
     timeout: 500 # in milliseconds (Only used when server attribute is provided)
 ```
 
-With the server attribute set, it is possible to validate the following types of DNS record:
+It is possible to validate the following types of DNS records, but requires the ```server``` attribute be set:
 
 - A
 - AAAA