Apply suggestions from code review

Co-authored-by: Matthias Hörtenhuber <mashehu@users.noreply.github.com>

nf_core/pipeline-template/lib/WorkflowMain.groovy

@@ -71,10 +71,10 @@ class WorkflowMain {
     //
     private static void checkProfile(profile, args, log) {
         if (profile.endsWith(',')) {
-            Nextflow.error "Profile cannot end with a trailing comma. Please remove the comma from the end of the profile string.\nHint: A common mistake is to provide multiple values to `-profile` separated by spaces. Please use commas to separate profiles instead."
+            Nextflow.error "Profile cannot end with a trailing comma. Please remove the comma from the end of the profile string.\nHint: A common mistake is to provide multiple values to `-profile` separated by spaces. Please use commas to separate profiles instead,e.g., `-profile docker,test`."
         }
         if (args[0]) {
-            log.warn "nf-core pipelines do not accept positional arguments. The positional argument `${args[0]}` has been detected.\n      Hint: A common mistake is to provide multiple values to `-profile` separated by spaces. Please use commas to separate profiles instead."
+            log.warn "nf-core pipelines do not accept positional arguments. The positional argument `${args[0]}` has been detected.\n      Hint: A common mistake is to provide multiple values to `-profile` separated by spaces. Please use commas to separate profiles instead,e.g., `-profile docker,test`."
         }
     }
 }