diff --git a/rwx/ps/__init__.py b/rwx/ps/__init__.py
index b2eca55..1bb552d 100644
--- a/rwx/ps/__init__.py
+++ b/rwx/ps/__init__.py
@@ -5,10 +5,10 @@ import subprocess
 from rwx import txt
 
 
-def get_tuples_args(*tuples: tuple[str]) -> list[str]:
+def get_tuples_args(*items: str | tuple[str]) -> list[str]:
     """Turn arguments tuples into an arguments list."""
     args: list[str] = []
-    for item in tuples:
+    for item in items:
         if type(item) is tuple:
             args.extend(item)
         else:
@@ -16,23 +16,25 @@ def get_tuples_args(*tuples: tuple[str]) -> list[str]:
     return args
 
 
-def run(*tuples: tuple[str]) -> subprocess.CompletedProcess:
+def run(*items: str | tuple[str]) -> subprocess.CompletedProcess:
     """Run from a list of arguments tuples."""
     return subprocess.run(
-        get_tuples_args(tuples), capture_output=False, check=True
+        get_tuples_args(*items), capture_output=False, check=True
     )
 
 
-def run_line(*tuples: tuple[str], charset: str = txt.CHARSET) -> str:
+def run_line(*items: str | tuple[str], charset: str = txt.CHARSET) -> str:
     """Run and return output line."""
-    lines = run_lines(*get_tuples_args(tuples), charset=charset)
+    lines = run_lines(get_tuples_args(*items), charset=charset)
     return lines[0]
 
 
-def run_lines(*tuples: tuple[str], charset: str = txt.CHARSET) -> list[str]:
+def run_lines(
+    *items: str | tuple[str], charset: str = txt.CHARSET
+) -> list[str]:
     """Run and return output lines."""
     process = subprocess.run(
-        get_tuples_args(tuples), capture_output=True, check=True
+        get_tuples_args(*items), capture_output=True, check=True
     )
     string = process.stdout.decode(charset)
     return string.rstrip().splitlines()