docs: Fix .md syntax typo in header
diff --git a/loader/LoaderAndLayerInterface.md b/loader/LoaderAndLayerInterface.md
index 95c11f1..b559941 100644
--- a/loader/LoaderAndLayerInterface.md
+++ b/loader/LoaderAndLayerInterface.md
@@ -155,7 +155,7 @@
just link to the name vulkan (libvulkan.so). A specific Vulkan ABI version can
also be linked to by applications (e.g. libvulkan.so.1).
-####Layer Usage
+#### Layer Usage
Applications desiring Vulkan functionality beyond what the core API offers may
use various layers or extensions. A layer cannot introduce new Vulkan API