diff --git a/Health-Checks.md b/Health-Checks.md
index ae27c42..3185737 100644
--- a/Health-Checks.md
+++ b/Health-Checks.md
@@ -8,6 +8,9 @@ These health checks are periodically performed performed by Radarr and on certai
 Radarr is written in .Net and requires Mono to run. Versions of 3.10 and above resolved various stability issues we experienced in the past and is considered the minimum supported version.   
 Mono version 4.x and higher are also available and provides a better experience on certain platforms.
 
+#### Update to .NET Core version ####
+Newer versions of Radarr are targeted for .NET Core.  We provide legacy mono builds for those platforms that cannot use .NET Core.  You are running one of these legacy builds but your platform supports .NET Core.  Please manually upgrade
+
 #### New update is available ####
 
 Rejoice, the developers have released a new update. This generally means awesome new features and squashed piles of bugs (right?).