1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/fft.c b/libavcodec/fft.c
index 65eb575f36..3b5244a077 100644
--- a/libavcodec/fft.c
+++ b/libavcodec/fft.c
@@ -16,6 +16,12 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+
+/**
+ * @file fft.c
+ * FFT/IFFT transforms.
+ */
+
 #include "dsputil.h"
 
 /**