diff --git a/Sources/ArgumentParser/Usage/DumpHelpGenerator.swift b/Sources/ArgumentParser/Usage/DumpHelpGenerator.swift
index 2f02b5e7f..27c301888 100644
--- a/Sources/ArgumentParser/Usage/DumpHelpGenerator.swift
+++ b/Sources/ArgumentParser/Usage/DumpHelpGenerator.swift
@@ -126,7 +126,7 @@ fileprivate extension ArgumentInfoV0 {
     self.init(
       kind: kind,
       shouldDisplay: argument.help.visibility.base == .default,
-      sectionTitle: argument.help.parentTitle.nilIfEmpty,
+      sectionTitle: argument.help.parentTitle.nonEmpty,
       isOptional: argument.help.options.contains(.isOptional),
       isRepeating: argument.help.options.contains(.isRepeating),
       names: argument.names.map(ArgumentInfoV0.NameInfoV0.init),
diff --git a/Sources/ArgumentParser/Utilities/StringExtensions.swift b/Sources/ArgumentParser/Utilities/StringExtensions.swift
index b49abe8ba..dba3b3594 100644
--- a/Sources/ArgumentParser/Utilities/StringExtensions.swift
+++ b/Sources/ArgumentParser/Utilities/StringExtensions.swift
@@ -239,7 +239,7 @@ extension StringProtocol where SubSequence == Substring {
     return "\(lines[0])\n\(lines[1].indentingEachLine(by: n))"
   }
   
-  var nilIfEmpty: Self? {
+  fileprivate var nonEmpty: Self? {
     isEmpty ? nil : self
   }
 }