diff --git a/libavcodec/ppc/dsputil_altivec.c b/libavcodec/ppc/dsputil_altivec.c
index fa21b1ddf938efc316f898c44b38cef1ea7db772..3871fc87bf8e304a5bc5b35741edd89573445b11 100644
--- a/libavcodec/ppc/dsputil_altivec.c
+++ b/libavcodec/ppc/dsputil_altivec.c
@@ -1094,7 +1094,7 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1);
       dstV =                                                            \
         (vector signed short)vec_mergeh((vector signed char)vzero,      \
         (vector signed char)dstO);                                      \
-      /* subtractions inside the first butterfly */                    \
+      /* subtractions inside the first butterfly */                     \
       but0 = vec_sub(srcV, dstV);                                       \
       op1 = vec_perm(but0, but0, perm1);                                \
       but1 = vec_mladd(but0, vprod1, op1);                              \
@@ -1267,7 +1267,7 @@ static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst,
       dstW =                                                            \
         (vector signed short)vec_mergel((vector signed char)vzero,      \
         (vector signed char)dstO);                                      \
-      /* subtractions inside the first butterfly */                    \
+      /* subtractions inside the first butterfly */                     \
       but0 = vec_sub(srcV, dstV);                                       \
       but0S = vec_sub(srcW, dstW);                                      \
       op1 = vec_perm(but0, but0, perm1);                                \
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index d8dc75965e3abe7a867fb47e8bddc2fd6e1af3d4..6c478d1c41c4f3aa3459bb88a1e95063baadb432 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -4102,7 +4102,7 @@ assert(s->current_picture.pict_type == s->pict_type);
     }
 
     /* Return the Picture timestamp as the frame number */
-    /* we subtract 1 because it is added on utils.c    */
+    /* we subtract 1 because it is added on utils.c     */
     avctx->frame_number = s->picture_number - 1;
 
     av_free(buf2);