diff --git a/SingleSource/UnitTests/Vectorizer/Libmvec/sincos.c b/SingleSource/UnitTests/Vectorizer/Libmvec/sincos.c
--- a/SingleSource/UnitTests/Vectorizer/Libmvec/sincos.c
+++ b/SingleSource/UnitTests/Vectorizer/Libmvec/sincos.c
@@ -10,7 +10,7 @@
     }
 }
 
-// inner loop vectorization with nonlinear access
+// outer loop vectorization with linear access
 void sincos_arr_nested(double* sines, double* cosines, double* phases, int size, int nests) {
     for (int i=0; i<size; i++) {
         sincos(phases[i], sines+i, cosines+i);
@@ -20,7 +20,7 @@
     }
 }
 
-// outer loop vectorization with linear access
+// inner loop vectorization with nonlinear access
 void sincos_arr_scrambled(double* sines, double* cosines, double* phases, int* indices, int size) {
     for (int i=0; i<size; i++) {
         int j = indices[i];