diff --git a/src/arithmeticSubtraction.c b/src/arithmeticSubtraction.c
index e36089c..31d5c94 100644
--- a/src/arithmeticSubtraction.c
+++ b/src/arithmeticSubtraction.c
@@ -8,6 +8,7 @@ int* subtraction_integer(int a, int b) {
     *result=a - b;
     return result;
 }
+//arithmetic Subtraction specification float
 float* subtraction_float(float a, float b) {
     float* result= malloc(sizeof (float));
     *result=a - b;