diff --git a/Implementierung/src/md2_impls/md2_1.c b/Implementierung/src/md2_impls/md2_1.c
index 57dbd22..fa588c3 100644
--- a/Implementierung/src/md2_impls/md2_1.c
+++ b/Implementierung/src/md2_impls/md2_1.c
@@ -59,6 +59,7 @@ void md2_hash_1(size_t len, const uint8_t buf[len], uint8_t out[16]) {
   __m128i vy;
   for (size_t i = 0; i <= (len + 16) / 16 - 1; i++) {
     FIRST_LOOP_START_MARK
+    // first loop replaced by 5 SIMD-Operations
     vx = _mm_load_si128((__m128i *)(newBuf + i * 16));
     _mm_store_si128((__m128i *)(messageDigestBuf + 16), vx);
     vy = _mm_load_si128((__m128i *)(messageDigestBuf));