diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
index fcb024e5b3..fc81d4d10e 100644
--- a/libavdevice/decklink_dec.cpp
+++ b/libavdevice/decklink_dec.cpp
@@ -1,5 +1,5 @@
 /*
- * Blackmagic DeckLink output
+ * Blackmagic DeckLink input
  * Copyright (c) 2013-2014 Luca Barbato, Deti Fliegl
  *
  * This file is part of FFmpeg.
@@ -524,7 +524,7 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
 
     /* Get input device. */
     if (ctx->dl->QueryInterface(IID_IDeckLinkInput, (void **) &ctx->dli) != S_OK) {
-        av_log(avctx, AV_LOG_ERROR, "Could not open output device from '%s'\n",
+        av_log(avctx, AV_LOG_ERROR, "Could not open input device from '%s'\n",
                avctx->filename);
         ret = AVERROR(EIO);
         goto error;
diff --git a/libavdevice/decklink_dec.h b/libavdevice/decklink_dec.h
index c02344efc3..9b71870deb 100644
--- a/libavdevice/decklink_dec.h
+++ b/libavdevice/decklink_dec.h
@@ -1,5 +1,5 @@
 /*
- * Blackmagic DeckLink output
+ * Blackmagic DeckLink input
  * Copyright (c) 2013-2014 Ramiro Polla
  *
  * This file is part of FFmpeg.
diff --git a/libavdevice/decklink_dec_c.c b/libavdevice/decklink_dec_c.c
index 523be662b2..56bc4394cf 100644
--- a/libavdevice/decklink_dec_c.c
+++ b/libavdevice/decklink_dec_c.c
@@ -1,5 +1,5 @@
 /*
- * Blackmagic DeckLink output
+ * Blackmagic DeckLink input
  * Copyright (c) 2014 Deti Fliegl
  *
  * This file is part of FFmpeg.