diff --git a/libavutil/opt.h b/libavutil/opt.h
index df5a62ec2a..39365ac957 100644
--- a/libavutil/opt.h
+++ b/libavutil/opt.h
@@ -456,7 +456,7 @@ void av_opt_set_defaults2(void *s, int mask, int flags);
  * @return the number of successfully set key/value pairs, or a negative
  * value corresponding to an AVERROR code in case of error:
  * AVERROR(EINVAL) if opts cannot be parsed,
- * the error code issued by av_set_string3() if a key/value pair
+ * the error code issued by av_opt_set() if a key/value pair
  * cannot be set
  */
 int av_set_options_string(void *ctx, const char *opts,
@@ -633,7 +633,7 @@ int av_opt_eval_q     (void *obj, const AVOption *o, const char *val, AVRational
  *         was found.
  *
  * @note Options found with AV_OPT_SEARCH_CHILDREN flag may not be settable
- * directly with av_set_string3(). Use special calls which take an options
+ * directly with av_opt_set(). Use special calls which take an options
  * AVDictionary (e.g. avformat_open_input()) to set options found with this
  * flag.
  */