diff --git a/doc/dox.h b/doc/dox.h
index 4e9ebcc2440b8168394baf93cfbcbe48c063b5c3..46ca232516cf6a2a5cb92ec88e72c036399f41f2 100644
--- a/doc/dox.h
+++ b/doc/dox.h
@@ -730,6 +730,8 @@ need them at all.
 Normally textures used by assets are stored in separate files, however,
 there are file formats embedding their textures directly into the model file.
 Such textures are loaded into an aiTexture structure.
+For embedded textures, the value of `AI_MATKEY_TEXTURE(textureType, index)` will be `*<index>` where
+`<index>` is the index of the texture in aiScene::mTextures.
 <br>
 There are two cases:
 <br>
@@ -917,7 +919,7 @@ All material key constants start with 'AI_MATKEY' (it's an ugly macro for histor
     <td><tt>TEXTURE(t,n)</tt></td>
     <td>aiString</td>
     <td>n/a</td>
-	<td>Defines the path to the n'th texture on the stack 't', where 'n' is any value >= 0 and 't' is one of the #aiTextureType enumerated values.</td>
+	<td>Defines the path of the n'th texture on the stack 't', where 'n' is any value >= 0 and 't' is one of the #aiTextureType enumerated values. Either a filepath or `*<index>`, where `<index>` is the index of an embedded texture in aiScene::mTextures.</td>
 	<td>See the 'Textures' section above.</td>
   </tr>