Apply suggestions from code review

Author: sumo-drosiek

.chloggen/drosiek-syslog-improvement.yaml

@@ -7,15 +7,15 @@ change_type: enhancement
 component: syslogreceiver
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note:
+note: validate protocol name
 
 # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
 issues: [27581]
 
 # (Optional) One or more lines of additional information to render under the primary note.
 # These lines will be padded with 2 spaces and then inserted directly into the document.
 # Use pipe (|) for multiline entries.
-subtext: validate protocol name
+subtext:
 
 # If your change doesn't affect end users or the exported elements of any package,
 # you should instead start your pull request title with [chore] or use the "Skip Changelog" label.