chore: updqated changelong entry based on feedback

.chloggen/jm-prom-rw-exporter-add-support-for-rw2.yaml

@@ -15,7 +15,7 @@ issues: [33661]
 # (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: As the the support for rw2 is not fully implemented (this is only the initial implementation) we only recommend testing this.
+subtext: PRW 2.0 support for the exporter is still under development.
 
 # 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.