diff --git a/src/Model/Blog.php b/src/Model/Blog.php
index 7d8df6d..ab8bdb1 100644
--- a/src/Model/Blog.php
+++ b/src/Model/Blog.php
@@ -120,6 +120,8 @@ class Blog extends Page implements PermissionProvider
     ];
 
     /**
+     * The ProvideComments db column is defined in the silverstripe/comments module
+     *
      * @var array
      */
     private static $defaults = [
diff --git a/src/Model/BlogPost.php b/src/Model/BlogPost.php
index 0a5336d..25d67f4 100644
--- a/src/Model/BlogPost.php
+++ b/src/Model/BlogPost.php
@@ -103,6 +103,9 @@ class BlogPost extends Page
     ];
 
     /**
+     * The ProvideComments db column is defined in the silverstripe/comments module
+     * The InheritSideBar db column is defined in the silverstripe/widgets module
+     *
      * @var array
      */
     private static $defaults = [