lyb CHANGE version of LYB
diff --git a/src/lyb.h b/src/lyb.h
index ec6e1af..687e760 100644
--- a/src/lyb.h
+++ b/src/lyb.h
@@ -82,10 +82,10 @@
 #define LYB_SIBLING_STEP 4
 
 /* current LYB format version */
-#define LYB_VERSION_NUM 0x10
+#define LYB_VERSION_NUM 0x02
 
 /* LYB format version mask of the header byte */
-#define LYB_VERSION_MASK 0x10
+#define LYB_VERSION_MASK 0x0F
 
 /**
  * LYB schema hash constants