diff --git a/File-Type---Bundle-Database.md b/File-Type---Bundle-Database.md
index 1f71864..3f82aff 100644
--- a/File-Type---Bundle-Database.md
+++ b/File-Type---Bundle-Database.md
@@ -1,6 +1,7 @@
 **010Editor Template:**
 
 ```bt
+
 uint32 format <format=hex>;
 uint32 num_entries;
 
@@ -16,7 +17,22 @@ typedef struct {
 
     byte platform_specific; // boolean
 
-    byte buffer[20]; // VT2's SDK only ever writes 0 and ignores while reading
+    // byte buffer[20] <bgcolor=0x3399ff>;
+    byte buffer[20];
+
+    local int is_0 = true;
+    local int i = 0;
+
+    for (i = 0; i < 15; i++) {
+        if (buffer[i] != 0) {
+            is_0 = false;
+        }
+    }
+
+    if (!is_0) {
+        Warning("Unknown 20-byte buffer is not 0");
+    }
+
     uint64 file_time; // win32 FILETIME
 } File;
 
@@ -32,8 +48,8 @@ Entry entries[num_entries] <optimize=false>;
 uint32 num_hashes;
 
 typedef struct {
-    uint64 hash;
-    uint64 unknown;
+    uint64 bundle <format=hex>;
+    uint64 resource_hash <format=hex>;
 } ResourceHash;
 
 ResourceHash hashes[num_hashes];