diff --git a/bitutilities.py b/bitutilities.py
index 0026f7d..35bc7a3 100644
--- a/bitutilities.py
+++ b/bitutilities.py
@@ -171,14 +171,14 @@ def binary_subtraction(minuend: BasicRegister, subtrahend: BasicRegister) -> Bas
 #         return first_register, second_register
 
 
-def align_registers(*args: BasicRegister) -> tuple[BasicRegister, ...]:
+def align_registers(*registers: BasicRegister) -> tuple[BasicRegister, ...]:
     """
     Aligns registers by the length of the bigger one.
 
-    :param args: Basic registers to align.
+    :param BasicRegister registers: Registers to align.
 
     :return: Aligned registers.
     :rtype: tuple[BasicRegister, ...]
     """
-    required_size: int = max(map(len, args))
-    return tuple(reg.adjusted_by_size(required_size) for reg in args)
+    required_size: int = max(map(len, registers))
+    return tuple(reg.adjusted_by_size(required_size) for reg in registers)