diff --git a/docs/LoaderInterfaceArchitecture.md b/docs/LoaderInterfaceArchitecture.md
index 35734fd04..a1bf4c8fa 100644
--- a/docs/LoaderInterfaceArchitecture.md
+++ b/docs/LoaderInterfaceArchitecture.md
@@ -667,6 +667,8 @@ discovery.
         continue to work.
     </small></td>
     <td><small>
+        This functionality is only available with Loaders built with version
+        1.3.207 of the Vulkan headers and later.<br/>
         It is recommended to use absolute paths to JSON files.
         Relative paths may have issues due to how the loader transforms relative library
         paths into absolute ones.