loader: doc cleanup
diff --git a/loader/LoaderAndLayerInterface.md b/loader/LoaderAndLayerInterface.md
index 4c9d009..40c67d8 100644
--- a/loader/LoaderAndLayerInterface.md
+++ b/loader/LoaderAndLayerInterface.md
@@ -765,7 +765,7 @@
             "spec_version": "3"
          }
     ],
-    device_extensions": [
+    "device_extensions": [
         {
             "name": "VK_LUNARG_DEBUG_MARKER",
             "spec_version": "1",
@@ -926,7 +926,7 @@
             "spec_version": "3"
          }
     ],
-    device_extensions": [
+    "device_extensions": [
         {
             "name": "VK_LUNARG_DEBUG_MARKER",
             "spec_version": "1",