diff --git a/asdf.elv b/asdf.elv
index a2e016aa7..ba57cda53 100644
--- a/asdf.elv
+++ b/asdf.elv
@@ -150,29 +150,29 @@ fn arg-completer {|@argz|
       # asdf list <name> [<version>]
       ls-installed-versions $argz[-1]
     } elif (match $argz 'local') {
-      # asdf local <name> [-p|--parent]
+      # asdf local <name> [-p|--parents]
       asdf plugin-list
       put '-p'
-      put '--parent'
-    } elif (match $argz 'local' '(-p|(--parent))') {
-      # asdf local <name> [-p|--parent] <version>
+      put '--parents'
+    } elif (match $argz 'local' '(-p|(--parents))') {
+      # asdf local <name> [-p|--parents] <version>
       asdf plugin-list
     } elif (match $argz 'local' '.*') {
-      # asdf local <name> [-p|--parent]
+      # asdf local <name> [-p|--parents]
       # asdf local <name> <version>
       ls-installed-versions $argz[-1]
       put '-p'
-      put '--parent'
-    } elif (match $argz 'local' '(-p|(--parent))' '.*') {
-      # asdf local [-p|--parent] <name> <version>
+      put '--parents'
+    } elif (match $argz 'local' '(-p|(--parents))' '.*') {
+      # asdf local [-p|--parents] <name> <version>
       ls-installed-versions $argz[-1]
-    } elif (match $argz 'local' '.*' '(-p|(--parent))') {
-      # asdf local <name> [-p|--parent] <version>
+    } elif (match $argz 'local' '.*' '(-p|(--parents))') {
+      # asdf local <name> [-p|--parents] <version>
       ls-installed-versions $argz[-2]
     } elif (match $argz 'local' '.*' '.*') {
-      # asdf local <name> <version> [-p|--parent]
+      # asdf local <name> <version> [-p|--parents]
       put '-p'
-      put '--parent'
+      put '--parents'
     } elif (or (match $argz 'plugin-add') (match $argz 'plugin' 'add')) {
       # asdf plugin add <name>
       asdf plugin-list-all | each {|line|
diff --git a/docs/guide/upgrading-to-v0-16.md b/docs/guide/upgrading-to-v0-16.md
index e8caee458..e62157b9a 100644
--- a/docs/guide/upgrading-to-v0-16.md
+++ b/docs/guide/upgrading-to-v0-16.md
@@ -153,7 +153,7 @@ terminology was wrong and also misleading. asdf doesn't actually support
 current directory specifying a different version. This was confusing to users.
 The new `asdf set` behaves the same as `asdf local` by default, but also has
 flags for setting versions in the user's home directory (`--home`) and in an
-existing `.tool-versions` file in one of the parent directories (`--parent`).
+existing `.tool-versions` file in one of the parent directories (`--parents`).
 This new interface will hopefully convey a better understanding of how asdf
 resolves versions and provide equivalent functionality.
 
diff --git a/docs/ja-jp/guide/upgrading-to-v0-16.md b/docs/ja-jp/guide/upgrading-to-v0-16.md
index 997d03b74..a52b936ce 100644
--- a/docs/ja-jp/guide/upgrading-to-v0-16.md
+++ b/docs/ja-jp/guide/upgrading-to-v0-16.md
@@ -78,7 +78,7 @@ asdfバージョン0.15.0およびそれ以前では、特定のコマンドの
 
 ### `asdf global` と `asdf local` コマンドが `asdf set` に変更されました
 
-`asdf global` と `asdf local` は削除されました。「グローバル」と「ローカル」という用語は誤りで、誤解を招く恐れがありました。asdf は、実際にはあらゆる場所に適用される「グローバル」バージョンをサポートしていません。`asdf global`で指定したバージョンは、カレントディレクトリにある `.tool-versions` ファイルで簡単に上書きすることができました。これはユーザーを混乱させていました。 新しい`asdf set`はデフォルトでは`asdf local`と同じように動作しますが、ユーザーのホームディレクトリ (`--home`) や親ディレクトリ (`--parent`) にある既存の `.tool-versions` ファイルにバージョンを設定するためのフラグも用意されています。 この新しいインターフェイスは、asdfがどのようにバージョンを解決するかをよりよく理解し、同等の機能を提供することを期待しています。
+`asdf global` と `asdf local` は削除されました。「グローバル」と「ローカル」という用語は誤りで、誤解を招く恐れがありました。asdf は、実際にはあらゆる場所に適用される「グローバル」バージョンをサポートしていません。`asdf global`で指定したバージョンは、カレントディレクトリにある `.tool-versions` ファイルで簡単に上書きすることができました。これはユーザーを混乱させていました。 新しい`asdf set`はデフォルトでは`asdf local`と同じように動作しますが、ユーザーのホームディレクトリ (`--home`) や親ディレクトリ (`--parents`) にある既存の `.tool-versions` ファイルにバージョンを設定するためのフラグも用意されています。 この新しいインターフェイスは、asdfがどのようにバージョンを解決するかをよりよく理解し、同等の機能を提供することを期待しています。
 
 ### `asdf update`コマンドが削除されました
 
diff --git a/docs/ja-jp/manage/versions.md b/docs/ja-jp/manage/versions.md
index 915d160b4..c930f2ab0 100644
--- a/docs/ja-jp/manage/versions.md
+++ b/docs/ja-jp/manage/versions.md
@@ -83,7 +83,7 @@ asdf set <name> latest[:<version>]
 
 `u` または `--home`フラグをつけて`asdf set`を実行すると、`$HOME`ディレクトリの`.tool-versions`ファイルにバージョンを書き込みます。ファイルが存在しない場合は作成されます。
 
-`p`または `--parent`フラグをつけて`asdf set`を実行すると、カレントディレクトリから親ディレクトリを探索し、最初に見つかった`.tool-versions` ファイルにバージョンを書き込みます。
+`p`または `--parents`フラグをつけて`asdf set`を実行すると、カレントディレクトリから親ディレクトリを探索し、最初に見つかった`.tool-versions` ファイルにバージョンを書き込みます。
 
 #### 環境変数で管理する
 
diff --git a/docs/manage/versions.md b/docs/manage/versions.md
index eba1958b0..ce02b6bc4 100644
--- a/docs/manage/versions.md
+++ b/docs/manage/versions.md
@@ -86,7 +86,7 @@ just doing `echo "<tool> <version>" > .tool-versions`.
 With the `-u`/`--home` flag `asdf set` writes to the `.tool-versions` file in
 your `$HOME` directory, creating the file if it does not exist.
 
-With the `-p`/`--parent` flag `asdf set` finds a `.tool-versions` file in the
+With the `-p`/`--parents` flag `asdf set` finds a `.tool-versions` file in the
 closest parent directory of the current directory.
 
 #### Via Environment Variable
diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index e583661f7..a16bd4d80 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -277,16 +277,28 @@ func Execute(version string) {
 						Usage:   "The version should be set in the current users home directory",
 					},
 					&cli.BoolFlag{
-						Name:    "parent",
+						Name:    "parents",
 						Aliases: []string{"p"},
-						Usage:   "The version should be set in the closest existing .tool-versions file in a parent directory",
+						Usage:   "The version should be set in the closest existing .tool-versions file in a parent directory.",
+					},
+					&cli.BoolFlag{
+						Name:    "parent",
+						Hidden:  false,
+						Usage:   "Has been renamed to --parents. See above.",
 					},
 				},
 				Action: func(_ context.Context, cmd *cli.Command) error {
 					args := cmd.Args().Slice()
 					home := cmd.Bool("home")
+					parents := cmd.Bool("parents")
 					parent := cmd.Bool("parent")
-					return set.Main(os.Stdout, os.Stderr, args, home, parent, func() (string, error) {
+
+					if parent {
+						const msg = "Warning: set --parent has been renamed to --parents. Please use --parents instead."
+						logger.Println(msg)
+					}
+          
+					return set.Main(os.Stdout, os.Stderr, args, home, parents || parent, func() (string, error) {
 						return os.UserHomeDir()
 					})
 				},
diff --git a/internal/cli/set/set.go b/internal/cli/set/set.go
index 407872e81..d97142bee 100644
--- a/internal/cli/set/set.go
+++ b/internal/cli/set/set.go
@@ -16,7 +16,7 @@ import (
 )
 
 // Main function is the entrypoint for the 'asdf set' command
-func Main(_ io.Writer, stderr io.Writer, args []string, home bool, parent bool, homeFunc func() (string, error)) error {
+func Main(_ io.Writer, stderr io.Writer, args []string, home bool, parents bool, homeFunc func() (string, error)) error {
 	if len(args) < 1 {
 		return printError(stderr, "tool and version must be provided as arguments")
 	}
@@ -25,8 +25,8 @@ func Main(_ io.Writer, stderr io.Writer, args []string, home bool, parent bool,
 		return printError(stderr, "version must be provided as an argument")
 	}
 
-	if home && parent {
-		return printError(stderr, "home and parent flags cannot both be specified; must be one location or the other")
+	if home && parents {
+		return printError(stderr, "home and parents flags cannot both be specified; must be one location or the other")
 	}
 
 	conf, err := config.LoadConfig()
@@ -71,11 +71,11 @@ func Main(_ io.Writer, stderr io.Writer, args []string, home bool, parent bool,
 		return printError(stderr, fmt.Sprintf("unable to get current directory: %s", err))
 	}
 
-	if parent {
-		// locate file in parent dir and update it
-		path, found := findVersionFileInParentDir(conf, currentDir)
+	if parents {
+		// locate file in parents dir and update it
+		path, found := findVersionFileInParentDirs(conf, currentDir)
 		if !found {
-			return printError(stderr, fmt.Sprintf("No %s version file found in parent directory", conf.DefaultToolVersionsFilename))
+			return printError(stderr, fmt.Sprintf("No %s version file found in parent directories", conf.DefaultToolVersionsFilename))
 		}
 
 		err = toolversions.WriteToolVersionsToFile(path, []toolversions.ToolVersions{tv})
@@ -98,7 +98,7 @@ func printError(stderr io.Writer, msg string) error {
 	return errors.New(strings.TrimSuffix(msg, "\n"))
 }
 
-func findVersionFileInParentDir(conf config.Config, directory string) (string, bool) {
+func findVersionFileInParentDirs(conf config.Config, directory string) (string, bool) {
 	directory = filepath.Dir(directory)
 
 	for {
diff --git a/internal/cli/set/set_test.go b/internal/cli/set/set_test.go
index 8f48d2b83..dc3d48be1 100644
--- a/internal/cli/set/set_test.go
+++ b/internal/cli/set/set_test.go
@@ -32,13 +32,13 @@ func TestAll(t *testing.T) {
 		assert.Equal(t, stderr.String(), "version must be provided as an argument\n")
 	})
 
-	t.Run("prints error when both --parent and --home flags are set", func(t *testing.T) {
+	t.Run("prints error when both --parents and --home flags are set", func(t *testing.T) {
 		stdout, stderr := buildOutputs()
 		err := Main(&stdout, &stderr, []string{"lua", "5.2.3"}, true, true, homeFunc)
 
-		assert.Error(t, err, "home and parent flags cannot both be specified; must be one location or the other")
+		assert.Error(t, err, "home and parents flags cannot both be specified; must be one location or the other")
 		assert.Equal(t, stdout.String(), "")
-		assert.Equal(t, stderr.String(), "home and parent flags cannot both be specified; must be one location or the other\n")
+		assert.Equal(t, stderr.String(), "home and parents flags cannot both be specified; must be one location or the other\n")
 	})
 
 	t.Run("sets version in current directory when no flags provided", func(t *testing.T) {
@@ -58,7 +58,7 @@ func TestAll(t *testing.T) {
 		assert.Equal(t, "lua 5.2.3\n", string(bytes))
 	})
 
-	t.Run("sets version in parent directory when --parent flag provided", func(t *testing.T) {
+	t.Run("sets version in parents directory when --parents flag provided", func(t *testing.T) {
 		stdout, stderr := buildOutputs()
 		dir := t.TempDir()
 		subdir := filepath.Join(dir, "subdir")
diff --git a/internal/completions/asdf.elvish b/internal/completions/asdf.elvish
index e145ad283..04643b733 100644
--- a/internal/completions/asdf.elvish
+++ b/internal/completions/asdf.elvish
@@ -55,29 +55,29 @@ fn arg-completer {|@argz|
       # asdf list <name> [<version>]
       ls-installed-versions $argz[-1]
     } elif (match $argz 'local') {
-      # asdf local <name> [-p|--parent]
+      # asdf local <name> [-p|--parents]
       asdf plugin-list
       put '-p'
-      put '--parent'
-    } elif (match $argz 'local' '(-p|(--parent))') {
-      # asdf local <name> [-p|--parent] <version>
+      put '--parents'
+    } elif (match $argz 'local' '(-p|(--parents))') {
+      # asdf local <name> [-p|--parents] <version>
       asdf plugin-list
     } elif (match $argz 'local' '.*') {
-      # asdf local <name> [-p|--parent]
+      # asdf local <name> [-p|--parents]
       # asdf local <name> <version>
       ls-installed-versions $argz[-1]
       put '-p'
-      put '--parent'
-    } elif (match $argz 'local' '(-p|(--parent))' '.*') {
-      # asdf local [-p|--parent] <name> <version>
+      put '--parents'
+    } elif (match $argz 'local' '(-p|(--parents))' '.*') {
+      # asdf local [-p|--parents] <name> <version>
       ls-installed-versions $argz[-1]
-    } elif (match $argz 'local' '.*' '(-p|(--parent))') {
-      # asdf local <name> [-p|--parent] <version>
+    } elif (match $argz 'local' '.*' '(-p|(--parents))') {
+      # asdf local <name> [-p|--parents] <version>
       ls-installed-versions $argz[-2]
     } elif (match $argz 'local' '.*' '.*') {
-      # asdf local <name> <version> [-p|--parent]
+      # asdf local <name> <version> [-p|--parents]
       put '-p'
-      put '--parent'
+      put '--parents'
     } elif (or (match $argz 'plugin-add') (match $argz 'plugin' 'add')) {
       # asdf plugin add <name>
       asdf plugin-list-all | each {|line|
diff --git a/internal/completions/asdf.fish b/internal/completions/asdf.fish
index 70afc097b..d7f65f603 100644
--- a/internal/completions/asdf.fish
+++ b/internal/completions/asdf.fish
@@ -128,7 +128,7 @@ complete -f -c asdf -n '__fish_asdf_using_command set; and test (count (commandl
 
 # set commands
 complete -f -c asdf -n '__fish_asdf_using_command set' -l home -d "Set version in home directory"
-complete -f -c asdf -n '__fish_asdf_using_command set' -l parent -d "Set version in parent directory"
+complete -f -c asdf -n '__fish_asdf_using_command set' -l parents -d "Set version in closest parent directory"
 
 # misc
 complete -f -c asdf -n __fish_asdf_needs_command -l help -d "Displays help"
diff --git a/internal/help/help.txt b/internal/help/help.txt
index e4b3b86b0..0736a2c6d 100644
--- a/internal/help/help.txt
+++ b/internal/help/help.txt
@@ -36,8 +36,8 @@ asdf list <name> [version]              List installed versions of a package and
 asdf list all <name> [<version>]        List all versions of a package and
                                         optionally filter the returned versions
 asdf set [-u] [-p] <name> <versions...> Set a tool version in a .tool-version in
-                                        the current directory, or a parent
-                                        directory.
+                                        the current directory, or the closest
+                                        parent directory.
 asdf uninstall <name> <version>         Remove a specific version of a package
 asdf where <name> [<version>]           Display install path for an installed
                                         or current version
diff --git a/internal/resolve/resolve_test.go b/internal/resolve/resolve_test.go
index d4a51f897..fae2146dc 100644
--- a/internal/resolve/resolve_test.go
+++ b/internal/resolve/resolve_test.go
@@ -56,7 +56,7 @@ func TestVersion(t *testing.T) {
 		assert.Equal(t, toolVersion.Versions, []string{"2.3.4"})
 	})
 
-	t.Run("returns single version from .tool-versions file in parent directory", func(t *testing.T) {
+	t.Run("returns single version from .tool-versions file in closest parent directory", func(t *testing.T) {
 		// write a version file
 		data := []byte(fmt.Sprintf("%s 1.2.3", testPluginName))
 		err = os.WriteFile(filepath.Join(currentDir, ".tool-versions"), data, 0o666)
diff --git a/lib/functions/versions.bash b/lib/functions/versions.bash
index 7d1d941d6..1ac868fb0 100644
--- a/lib/functions/versions.bash
+++ b/lib/functions/versions.bash
@@ -214,13 +214,13 @@ latest_all() {
 }
 
 local_command() {
-  local parent=false
+  local parents=false
   local positional=()
 
   while [[ $# -gt 0 ]]; do
     case $1 in
-    -p | --parent)
-      parent="true"
+    -p | --parents)
+      parents="true"
       shift # past value
       ;;
     *)
@@ -232,7 +232,7 @@ local_command() {
 
   set -- "${positional[@]}" # restore positional parameters
 
-  if [ $parent = true ]; then
+  if [ $parents = true ]; then
     version_command local-tree "$@"
   else
     version_command local "$@"
diff --git a/scripts/checkstyle.py b/scripts/checkstyle.py
index 28294ea0b..d065d755e 100755
--- a/scripts/checkstyle.py
+++ b/scripts/checkstyle.py
@@ -254,6 +254,9 @@ def main():
         for file in Path.cwd().glob('**/*'):
             if '.git' in str(file.absolute()):
                 continue
+            
+            if file.name == '.DS_Store':
+                continue
 
             if file.is_file():
                 lintfile(file, rules, options)
diff --git a/scripts/lint.bash b/scripts/lint.bash
index 3553d60e1..8f5a6e2b6 100755
--- a/scripts/lint.bash
+++ b/scripts/lint.bash
@@ -91,6 +91,8 @@ run_custom_python_stylecheck() {
     printf "%s\n" "[WARNING] python3 not found. Skipping Custom Python Script."
   else
     print.info "Checking files with Custom Python Script."
+    print.info "${flag}"
+    print.info "${0%/*}/checkstyle.py"
     "${0%/*}/checkstyle.py" "${flag}"
   fi
 
diff --git a/test/install_command.bats b/test/install_command.bats
index 2b78aa3c1..e1173a518 100644
--- a/test/install_command.bats
+++ b/test/install_command.bats
@@ -190,7 +190,7 @@ EOM
   [ ! -f "$ASDF_DIR/installs/other-dummy/2.0.0/version" ]
 }
 
-@test "install_command without arguments uses a parent directory .tool-versions file if present" {
+@test "install_command without arguments uses the closest parent directory .tool-versions file if present" {
   # asdf lib needed to run generated shims
   cp -rf "$BATS_TEST_DIRNAME"/../{bin,lib} "$ASDF_DIR/"
 
diff --git a/test/utils.bats b/test/utils.bats
index ed84ca249..ca432e670 100644
--- a/test/utils.bats
+++ b/test/utils.bats
@@ -338,7 +338,7 @@ teardown() {
   [ "$output" = "$PROJECT_DIR/.tool-versions" ]
 }
 
-@test "find_tool_versions will find a .tool-versions path if it exists in parent directory" {
+@test "find_tool_versions will find a .tool-versions path if it exists in any parent directory" {
   echo "dummy 0.1.0" >"$PROJECT_DIR/.tool-versions"
   mkdir -p "$PROJECT_DIR/child"
   cd "$PROJECT_DIR"/child
diff --git a/test/version_commands.bats b/test/version_commands.bats
index 81a4f91b8..c841e2dcb 100644
--- a/test/version_commands.bats
+++ b/test/version_commands.bats
@@ -156,25 +156,25 @@ teardown() {
   [ "$(cat "$PROJECT_DIR/.tool-versions")" = "dummy path:$PROJECT_DIR/local" ]
 }
 
-@test "local -p/--parent should set should emit an error when called with incorrect arity" {
+@test "local -p/--parents should set should emit an error when called with incorrect arity" {
   run asdf local -p "dummy"
   [ "$status" -eq 1 ]
   [ "$output" = "Usage: asdf local <name> <version>" ]
 }
 
-@test "local -p/--parent should emit an error when plugin does not exist" {
+@test "local -p/--parents should emit an error when plugin does not exist" {
   run asdf local -p "inexistent" "1.0.0"
   [ "$status" -eq 1 ]
   [ "$output" = "No such plugin: inexistent" ]
 }
 
-@test "local -p/--parent should emit an error when plugin version does not exist" {
+@test "local -p/--parents should emit an error when plugin version does not exist" {
   run asdf local -p "dummy" "0.0.1"
   [ "$status" -eq 1 ]
   [ "$output" = "version 0.0.1 is not installed for dummy" ]
 }
 
-@test "local -p/--parent should allow multiple versions" {
+@test "local -p/--parents should allow multiple versions" {
   cd "$CHILD_DIR"
   touch "$PROJECT_DIR/.tool-versions"
   run asdf local -p "dummy" "1.1.0" "1.0.0"
@@ -182,7 +182,7 @@ teardown() {
   [ "$(cat "$PROJECT_DIR/.tool-versions")" = "dummy 1.1.0 1.0.0" ]
 }
 
-@test "local -p/--parent should overwrite the existing version if it's set" {
+@test "local -p/--parents should overwrite the existing version if it's set" {
   cd "$CHILD_DIR"
   echo 'dummy 1.0.0' >>"$PROJECT_DIR/.tool-versions"
   run asdf local -p "dummy" "1.1.0"
@@ -190,7 +190,7 @@ teardown() {
   [ "$(cat "$PROJECT_DIR/.tool-versions")" = "dummy 1.1.0" ]
 }
 
-@test "local -p/--parent should set the version if it's unset" {
+@test "local -p/--parents should set the version if it's unset" {
   cd "$CHILD_DIR"
   touch "$PROJECT_DIR/.tool-versions"
   run asdf local -p "dummy" "1.1.0"