diff --git a/Changelog b/Changelog
index 1a2e0b257c5e6fdb0f94ae7c52630213d0c9b2f0..f3f2acf3e5d6a4f47311a8fc1bbb1bba4a202001 100644
--- a/Changelog
+++ b/Changelog
@@ -171,7 +171,7 @@ version 0.4.9-pre1:
 - SGI image format, encoding and decoding
 - H.264 loop filter support
 - H.264 CABAC support
-- nicer looking arrows for the motion vector vissualization
+- nicer looking arrows for the motion vector visualization
 - improved VCD support
 - audio timestamp drift compensation
 - MPEG-2 YUV 422/444 support
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 661a756daaac69d0406f843e15e694b36995b4d0..200e08abc046ddd4c2ac567509a7b5065c938ac4 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1422,7 +1422,7 @@ static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index
         av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
 }
 
-static void get_vissual_weight(int16_t *weight, uint8_t *ptr, int stride){
+static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
     int x, y;
 //FIXME optimize
     for(y=0; y<8; y++){
@@ -1626,15 +1626,15 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x,
     }
 
     if(s->avctx->quantizer_noise_shaping){
-        if(!skip_dct[0]) get_vissual_weight(weight[0], ptr_y                 , wrap_y);
-        if(!skip_dct[1]) get_vissual_weight(weight[1], ptr_y              + 8, wrap_y);
-        if(!skip_dct[2]) get_vissual_weight(weight[2], ptr_y + dct_offset    , wrap_y);
-        if(!skip_dct[3]) get_vissual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
-        if(!skip_dct[4]) get_vissual_weight(weight[4], ptr_cb                , wrap_c);
-        if(!skip_dct[5]) get_vissual_weight(weight[5], ptr_cr                , wrap_c);
+        if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y                 , wrap_y);
+        if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y              + 8, wrap_y);
+        if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset    , wrap_y);
+        if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
+        if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb                , wrap_c);
+        if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr                , wrap_c);
         if(!s->chroma_y_shift){ /* 422 */
-            if(!skip_dct[6]) get_vissual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
-            if(!skip_dct[7]) get_vissual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
+            if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
+            if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
         }
         memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
     }
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index e9fc8cb0e0de566add9232f15b69c01b366b0544..84b18dbcabcadb9adfe437932ba275f4c038d209 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -3895,7 +3895,7 @@ static int ratecontrol_1pass(SnowContext *s, AVFrame *pict)
     return delta_qlog;
 }
 
-static void calculate_vissual_weight(SnowContext *s, Plane *p){
+static void calculate_visual_weight(SnowContext *s, Plane *p){
     int width = p->width;
     int height= p->height;
     int level, orientation, x, y;
@@ -4338,7 +4338,7 @@ redo_frame:
 
     if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
         for(plane_index=0; plane_index<3; plane_index++){
-            calculate_vissual_weight(s, &s->plane[plane_index]);
+            calculate_visual_weight(s, &s->plane[plane_index]);
         }
     }