diff --git a/command.go b/command.go
index d108f856..36817587 100644
--- a/command.go
+++ b/command.go
@@ -94,7 +94,7 @@ type Command struct {
 	// ArgAliases is List of aliases for ValidArgs.
 	// These are not suggested to the user in the shell completion,
 	// but accepted if entered manually.
-	ArgAliases []CompletionChoice
+	ArgAliases []string
 
 	// BashCompletionFunction is custom bash functions used by the legacy bash autocompletion generator.
 	// For portability with other shells, it is recommended to instead use ValidArgsFunction
diff --git a/completions.go b/completions.go
index 044a83e7..240d4fc1 100644
--- a/completions.go
+++ b/completions.go
@@ -120,20 +120,20 @@ type CompletionOptions struct {
 // CompletionChoice is a string that can be used for completions
 //
 // two formats are supported:
-//   - the name of the flag
-//   - the name of the flag with its description (separated by a tab)
+//   - the completion choice
+//   - the completion choice with a textual description (separated by a TAB).
 //
-// [CompletionChoiceWithDescription] can be used to create a completion string with a description using the TAB separator.
+// [CompletionChoiceWithDescription] can be used to create a completion string with a textual description.
 //
 // Note: Go type alias is used to provide a more descriptive name in the documentation, but any string can be used.
 type CompletionChoice = string
 
 // CompletionFunc is a function that provides completion results.
-type CompletionFunc func(cmd *Command, args []CompletionChoice, toComplete string) ([]string, ShellCompDirective)
+type CompletionFunc func(cmd *Command, args []string, toComplete string) ([]CompletionChoice, ShellCompDirective)
 
-// CompletionChoiceWithDescription returns a CompletionChoice with a description
-func CompletionChoiceWithDescription(name, desc string) CompletionChoice {
-	return name + "\t" + desc
+// CompletionChoiceWithDescription returns a [CompletionChoice] with a description by using the TAB delimited format.
+func CompletionChoiceWithDescription(choice string, description string) CompletionChoice {
+	return choice + "\t" + description
 }
 
 // NoFileCompletions can be used to disable file completion for commands that should
@@ -141,7 +141,7 @@ func CompletionChoiceWithDescription(name, desc string) CompletionChoice {
 //
 // This method satisfies [CompletionFunc].
 // It can be used with [Command.RegisterFlagCompletionFunc] and for [Command.ValidArgsFunction].
-func NoFileCompletions(cmd *Command, args []CompletionChoice, toComplete string) ([]string, ShellCompDirective) {
+func NoFileCompletions(cmd *Command, args []string, toComplete string) ([]CompletionChoice, ShellCompDirective) {
 	return nil, ShellCompDirectiveNoFileComp
 }
 
@@ -151,7 +151,7 @@ func NoFileCompletions(cmd *Command, args []CompletionChoice, toComplete string)
 // This method returns a function that satisfies [CompletionFunc]
 // It can be used with [Command.RegisterFlagCompletionFunc] and for [Command.ValidArgsFunction].
 func FixedCompletions(choices []CompletionChoice, directive ShellCompDirective) CompletionFunc {
-	return func(cmd *Command, args []CompletionChoice, toComplete string) ([]string, ShellCompDirective) {
+	return func(cmd *Command, args []string, toComplete string) ([]CompletionChoice, ShellCompDirective) {
 		return choices, directive
 	}
 }