diff --git a/libavcodec/proresdec_gpl.c b/libavcodec/proresdec_gpl.c
index 7362bf1da9..96da844d3f 100644
--- a/libavcodec/proresdec_gpl.c
+++ b/libavcodec/proresdec_gpl.c
@@ -21,7 +21,7 @@
 
 /**
  * @file
- * Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy), 'ap4c' (4444)
+ * Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy), 'ap4h' (4444)
  */
 
 //#define DEBUG