diff --git a/libswresample/swresample.h b/libswresample/swresample.h
index a2b5cd0f097b1fd964e98a6bb6b3758ecce6c615..1c6090dfbf239000de626da7ded5131da9b291a4 100644
--- a/libswresample/swresample.h
+++ b/libswresample/swresample.h
@@ -48,8 +48,8 @@
  * av_opt_set_int(swr, "out_channel_layout", AV_CH_LAYOUT_STEREO,  0);
  * av_opt_set_int(swr, "in_sample_rate",     48000,                0);
  * av_opt_set_int(swr, "out_sample_rate",    44100,                0);
- * av_opt_set_sample_fmt(swr, "in_sample_fmt", AV_SAMPLE_FMT_FLTP, 0);
- * av_opt_set_sample_fmt(swr, "out_sample_fmt, AV_SAMPLE_FMT_S16,  0);
+ * av_opt_set_sample_fmt(swr, "in_sample_fmt",  AV_SAMPLE_FMT_FLTP, 0);
+ * av_opt_set_sample_fmt(swr, "out_sample_fmt", AV_SAMPLE_FMT_S16,  0);
  * @endcode
  *
  * Once all values have been set, it must be initialized with swr_init(). If