From e919af14d33827de2415f332907cdfc12766ed91 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Tue, 10 Dec 2019 13:50:10 +0100
Subject: [PATCH] adds comments

---
 src/Umbraco.Core/Runtime/MainDom.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Umbraco.Core/Runtime/MainDom.cs b/src/Umbraco.Core/Runtime/MainDom.cs
index 406fb9b731..c6ee819cda 100644
--- a/src/Umbraco.Core/Runtime/MainDom.cs
+++ b/src/Umbraco.Core/Runtime/MainDom.cs
@@ -155,6 +155,10 @@ namespace Umbraco.Core.Runtime
         /// <summary>
         /// Gets a value indicating whether the current domain is the main domain.
         /// </summary>
+        /// <remarks>
+        /// The lazy initializer call will only call the Acquire callback when it's not been initialized, else it will just return
+        /// the value from _isMainDom which means when we set _isMainDom to false again after being signaled, this will return false;
+        /// </remarks>
         public bool IsMainDom => LazyInitializer.EnsureInitialized(ref _isMainDom, ref _isInitialized, ref _locko, () => Acquire());
 
         // IRegisteredObject