diff --git a/src/lib/openjp2/t1.h b/src/lib/openjp2/t1.h
index 17123265..24acb939 100644
--- a/src/lib/openjp2/t1.h
+++ b/src/lib/openjp2/t1.h
@@ -224,7 +224,8 @@ OPJ_BOOL opj_t1_encode_cblks(opj_t1_t *t1,
 
 /**
 Decode the code-blocks of a tile
-@param t1 T1 handle
+@param tp Thread pool
+@param pret Pointer to return value
 @param tilec The tile to decode
 @param tccp Tile coding parameters
 */