diff --git a/ffmpeg.c b/ffmpeg.c
index 38c02cd8fd..40da0f3937 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -3842,9 +3842,9 @@ static const OptionDef options[] = {
     { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
     { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
 
-    { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
-    { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
-    { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
+    { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
+    { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
+    { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
 
     { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
     { NULL, },