Reword intro on target audience, and remove some line breaks to compress

.gitlab/issue_templates/Feature proposal.md

@@ -4,11 +4,9 @@
 
 ### Target audience
 
-<!---
-
-For whom are we doing this?
-Include either a persona from https://design.gitlab.com/research/personas or define a specific company role, e.g. "Release Manager" or "Security Analyst".
-Use the persona labels as well, see https://gitlab.com/groups/gitlab-org/-/labels?utf8=%E2%9C%93&subscribed=&search=persona%3A
+<!--- For whom are we doing this? Include a [persona](https://design.gitlab.com/research/personas)
+listed below, if applicable, along with its [label](https://gitlab.com/groups/gitlab-org/-/labels?utf8=%E2%9C%93&subscribed=&search=persona%3A),
+or define a specific company role, e.g. "Release Manager".
 
 Existing personas are:
 
@@ -29,7 +27,6 @@ Existing personas are:
 
 - Sam, Security Analyst, https://design.gitlab.com/research/personas#persona-sam
 /label ~"Persona: Security Analyst"
-
 -->
 
 ### Further details