diff --git a/src/arithmeticAddition.c b/src/arithmeticAddition.c
index 81ba426..7d664f2 100644
--- a/src/arithmeticAddition.c
+++ b/src/arithmeticAddition.c
@@ -12,8 +12,8 @@ int* addition_integer(int num1, int num2) {
     return result;
 }
 
-double* addition_double(double num1, double num2) {
+double* addition_double(double number1, double number2) {
     double* result = malloc(sizeof(double));
-    *result = num1+num2;
+    *result = number1+number2;
     return result;
 }
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