updated to handle a collection

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 9ea6cb2..09f43e2 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,5 +1,5 @@
 ---
-# tasks file for apigee-opdk-set-reachable
+# tasks file for apigee-opdk-set-reachable can handle server type collections
 - name: Validate that server_types was provided
   fail:
     msg: "Please provide the server_types"