Emphasise that the template should be removed before submitting.

.github/ISSUE_TEMPLATE.md

@@ -1,8 +1,10 @@
+**DELETE THIS TEMPLATE BEFORE SUBMITTING**
+
 If you are planning to open a pull-request just open the pull-request instead of making an issue first.
 
 FOR FEATURES:
 
-Describe the feature you want and your use case.
+Describe the feature you want and your use case _clearly_.
 
 FOR BUGS:
 
@@ -12,5 +14,5 @@ Describe the problem and include the following information:
 - Host platform
 - Debug log output from `PACKER_LOG=1 packer build template.json`.
   Please paste this in a gist https://gist.github.com
-- The simplest example template and scripts needed to reproduce the bug.
+- The _simplest example template and scripts_ needed to reproduce the bug.
   Include these in your gist https://gist.github.com