diff --git a/src/main/py/logarithmic_and_expo_and_root_calculations.py b/src/main/py/logarithmic_and_expo_and_root_calculations.py
index 5becc90..887e9bb 100644
--- a/src/main/py/logarithmic_and_expo_and_root_calculations.py
+++ b/src/main/py/logarithmic_and_expo_and_root_calculations.py
@@ -13,8 +13,8 @@ def logarithmize(first_number, second_number):
     return math.log(first_number, second_number)
 
 
-def logarithmize_dualis(first_number):
-    return math.log2(first_number)
+def logarithmize_dualis(number):
+    return math.log2(number)
 
 
 def logarithmize_base_10(number):