diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 4d471c0362..a456819b2a 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -275,7 +275,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
         s->cdy[i]    = bytestream2_get_byteu(&s->g);
         if (   !s->cdx[i] || s->cdx[i] == 3 || s->cdx[i] > 4
             || !s->cdy[i] || s->cdy[i] == 3 || s->cdy[i] > 4) {
-            av_log(s->avctx, AV_LOG_ERROR, "Invalid sample seperation %d/%d\n", s->cdx[i], s->cdy[i]);
+            av_log(s->avctx, AV_LOG_ERROR, "Invalid sample separation %d/%d\n", s->cdx[i], s->cdy[i]);
             return AVERROR_INVALIDDATA;
         }
         log2_chroma_wh |= s->cdy[i] >> 1 << i * 4 | s->cdx[i] >> 1 << i * 4 + 2;
diff --git a/libavcodec/tiff_common.h b/libavcodec/tiff_common.h
index 2e08caf2f6..2a2cb3f8e6 100644
--- a/libavcodec/tiff_common.h
+++ b/libavcodec/tiff_common.h
@@ -80,22 +80,22 @@ double   ff_tget_double(GetByteContext *gb, int le);
 unsigned ff_tget(GetByteContext *gb, int type, int le);
 
 /** Returns an allocated string containing count
- *  rational values using the given seperator.
+ *  rational values using the given separator.
  */
 char *ff_trationals2str(int *rp, int count, const char *sep);
 
 /** Returns an allocated string containing count
- *  long values using the given seperator.
+ *  long values using the given separator.
  */
 char *ff_tlongs2str(int32_t *lp, int count, const char *sep);
 
 /** Returns an allocated string containing count
- *  double values using the given seperator.
+ *  double values using the given separator.
  */
 char *ff_tdoubles2str(double *dp, int count, const char *sep);
 
 /** Returns an allocated string containing count
- *  short values using the given seperator.
+ *  short values using the given separator.
  */
 char *ff_tshorts2str(int16_t *sp, int count, const char *sep);