diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index be827437f4..0018b9aedb 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -36,8 +36,8 @@
  *  8bit  compatible version   (0)
  *  8bit  sample size
  *  8bit  history mult         (40)
- *  8bit  initial history      (14)
- *  8bit  rice param limit     (10)
+ *  8bit  initial history      (10)
+ *  8bit  rice param limit     (14)
  *  8bit  channels
  * 16bit  maxRun               (255)
  * 32bit  max coded frame size (0 means unknown)