diff --git a/Packaging.Targets/Pkg/BomFiles.md b/Packaging.Targets/Pkg/BomFiles.md
index 01a31bd..b26fe29 100644
--- a/Packaging.Targets/Pkg/BomFiles.md
+++ b/Packaging.Targets/Pkg/BomFiles.md
@@ -38,6 +38,10 @@ The paths variable contains, you might have guessed it, the list of files embedd
 
 This source tree contains a sample macOS installer, `Sample.pkg`, which deploys a file `hello.txt` to `/Applications`. The BOM file embedded in this installer is available as `BOM`. 
 
+The BOM header defines following offsets:
+* The variable list: `0x2322`
+* The index: `0x33f1`
+
 The index of this BOM file contains the following items:
 
 | Index  | Offset   | Length   | Type         | Description      |
@@ -62,3 +66,38 @@ The index of this BOM file contains the following items:
 | `0x11` | `0x339C` | `0x0023` | BomPathInfo  | `hello.txt`      |
 | `0x12` | `0x33BF` | `0x000E` | BomFile      | `hello.txt`      |
 | `0x13` | `0x33CD` | `0x0008` | BomPathInfo2 | `hello.txt`      |
+
+With the following values for the variables:
+
+* BomInfo just points to the header at the start of the file
+* HLIndex: an empty list
+* Size64: An empty list
+* VIndex: an empty list
+* Paths: contains three entries, `.`, `Applications` and `hello.txt`
+
+Sorted by offset, you get this file layout:
+
+| Start    | End      | Length   | Type         | Description
+| -------- | -------- | -------- | ---------    | ---------------- |
+| `0x0000` | `0x????` | `0x0000` | BOM Header   |                  |
+| `0x0200` | `0x????` | `0x000D` | Variable     | VIndex           |
+| `0x021C` | `0x????` | `0x0015` | Variable     | HLIndex          |
+| `0x0236` | `0x????` | `0x1000` | BomPaths     | Paths            |
+| `0x1236` | `0x????` | `0x0015` | Variable     | Paths            |
+| `0x1260` | `0x????` | `0x0006` | BomFile      | `.`              |
+| `0x1266` | `0x????` | `0x0008` | BomPathInfo  | `.`              |
+| `0x124B` | `0x????` | `0x0015` |              | VIndex           |
+| `0x1271` | `0x????` | `0x1000` | BomPaths     | HLIndex          |
+| `0x2286` | `0x????` | `0x0011` | BomFile      | `Applications`   |
+| `0x2297` | `0x????` | `0x0008` | BomPathInfo2 | `Applications`   |
+| `0x2271` | `0x????` | `0x0015` | Variable     | Size64           |
+| `0x22A2` | `0x????` | `0x0080` | BomPaths     | VIndex           |
+| `0x2322` | `0x????` | `0x003C` | Variables    |                  |
+| `0x235E` | `0x????` | `0x1000` | BomPaths     | Size64           |
+| `0x335E` | `0x????` | `0x001F` | BomPathInfo2 | `.`              |
+| `0x337D` | `0x????` | `0x001F` | BomPathInfo2 | `Applications`   |
+| `0x339C` | `0x????` | `0x0023` | BomPathInfo  | `hello.txt`      |
+| `0x33BF` | `0x????` | `0x000E` | BomFile      | `hello.txt`      |
+| `0x33CD` | `0x????` | `0x0008` | BomPathInfo2 | `hello.txt`      |
+| `0x33D5` | `0x????` | `0x001C` | Variable     | BomInfo          |
+| `0x33F1` | `0x????` | `0x5590` | Index        |                  |