diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 6ec9cefac7..935df11995 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -950,7 +950,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .id        = AV_CODEC_ID_DPX,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "dpx",
-        .long_name = NULL_IF_CONFIG_SMALL("DPX image"),
+        .long_name = NULL_IF_CONFIG_SMALL("DPX (Digital Picture Exchange) image"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c
index e4c624c7c6..47906d72c2 100644
--- a/libavcodec/dpx.c
+++ b/libavcodec/dpx.c
@@ -270,7 +270,7 @@ static int decode_frame(AVCodecContext *avctx,
 
 AVCodec ff_dpx_decoder = {
     .name           = "dpx",
-    .long_name      = NULL_IF_CONFIG_SMALL("DPX image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("DPX (Digital Picture Exchange) image"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_DPX,
     .decode         = decode_frame,
diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c
index 1f1c7720a5..997e3d651c 100644
--- a/libavcodec/dpxenc.c
+++ b/libavcodec/dpxenc.c
@@ -235,7 +235,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
 AVCodec ff_dpx_encoder = {
     .name           = "dpx",
-    .long_name      = NULL_IF_CONFIG_SMALL("DPX image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("DPX (Digital Picture Exchange) image"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_DPX,
     .priv_data_size = sizeof(DPXContext),