Apply suggestions from code review

Co-authored-by: Matthias Hörtenhuber <[email protected]>

Author: jfy133

.github/ISSUE_TEMPLATE/new_rfc.yml

@@ -6,22 +6,22 @@ projects: nf-core/127
 assignees:
   - nf-core/core
 body:
-  - type: input
+  - type: textarea
     attributes:
       label: Summary
-      description: Short 2-3 sentence summary of RFC proposal
+      description: Short 2-3 sentence summary of RFC proposal.
     validations:
         required: true
   - type: input
     attributes:
       label: Champion
-      description: "GitHub handle of the proposal's champion (if already found)"
+      description: "GitHub handle of the proposal's champion (if already found)."
       placeholder:
-        e.g. Maxime Garcia (@maxulysse)
+        e.g. @maxulysse
   - type: textarea
     attributes:
       label: Background & Motivation
-      description: Provide the context of the proposal, summarising the existing status-quo or issues
+      description: Provide the context of the proposal, summarising the existing status-quo or issues.
       placeholder: 
     validations:
         required: true
@@ -38,7 +38,7 @@ body:
   - type: textarea
     attributes:
       label: NonGoals
-      description: Provide a 2-3 bullet point list of the main aims and objectives the outcome RFC aims NOT to achieve 
+      description: Provide a 2-3 bullet point list of the main aims and objectives the outcome RFC aims NOT to achieve. 
       placeholder: |
         - NonGoal 1
         - NonGoal 2
@@ -48,14 +48,14 @@ body:
   - type: textarea
     attributes:
       label: Details
-      description: Provide details of the proposed RFC, such as technical details of possible implementation
+      description: Provide details of the proposed RFC, such as technical details of possible implementation.
       placeholder: 
     validations:
         required: false
   - type: textarea
     attributes:
       label: References
-      description: Post links to previous or current possibly-related discussions e.g. on slack
+      description: Post links to previous or current possibly-related discussions e.g. on Slack.
       placeholder: |
         - Slack discussion - <URL>
         - Original GitHub Issue - https://github.com/nf-core/<URL>