diff --git a/libavcodec/x86/dirac_dwt.asm b/libavcodec/x86/dirac_dwt.asm
index 46fb6b2dcf..83fbb15b1f 100644
--- a/libavcodec/x86/dirac_dwt.asm
+++ b/libavcodec/x86/dirac_dwt.asm
@@ -252,7 +252,7 @@ cglobal horizontal_compose_dd97i_ssse3, 3,6,8, b, tmp, w, x, w2, b_w2
     jl      .lowpass_loop
 
     EDGE_EXTENSION 1, 2, xw
-    ; leave the last up to 7 (sse) or 3 (mmx) values for C
+    ; leave the last up to 7 (sse) values for C
     xor     xd, xd
     and    w2d, ~(mmsize/2 - 1)
     cmp    w2d, mmsize/2