diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 48dbe06b1f..45432bceb9 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -1451,7 +1451,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .id        = AV_CODEC_ID_PCM_S16LE_PLANAR,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "pcm_s16le_planar",
-        .long_name = NULL_IF_CONFIG_SMALL("PCM 16-bit little-endian planar"),
+        .long_name = NULL_IF_CONFIG_SMALL("PCM signed 16-bit little-endian planar"),
         .props     = AV_CODEC_PROP_LOSSLESS,
     },
     {
diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c
index ddb05bce36..70fa63823e 100644
--- a/libavcodec/pcm.c
+++ b/libavcodec/pcm.c
@@ -540,7 +540,7 @@ PCM_CODEC  (PCM_MULAW,        AV_SAMPLE_FMT_S16, pcm_mulaw,        "PCM mu-law /
 PCM_CODEC  (PCM_S8,           AV_SAMPLE_FMT_U8,  pcm_s8,           "PCM signed 8-bit");
 PCM_CODEC  (PCM_S16BE,        AV_SAMPLE_FMT_S16, pcm_s16be,        "PCM signed 16-bit big-endian");
 PCM_CODEC  (PCM_S16LE,        AV_SAMPLE_FMT_S16, pcm_s16le,        "PCM signed 16-bit little-endian");
-PCM_DECODER(PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM 16-bit little-endian planar");
+PCM_DECODER(PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
 PCM_CODEC  (PCM_S24BE,        AV_SAMPLE_FMT_S32, pcm_s24be,        "PCM signed 24-bit big-endian");
 PCM_CODEC  (PCM_S24DAUD,      AV_SAMPLE_FMT_S16, pcm_s24daud,      "PCM D-Cinema audio signed 24-bit");
 PCM_CODEC  (PCM_S24LE,        AV_SAMPLE_FMT_S32, pcm_s24le,        "PCM signed 24-bit little-endian");