2 files changed, 4 insertions, 4 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendErrors.cs b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendErrors.cs
index c1232dcc..0c15ad05 100644
--- a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendErrors.cs
+++ b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendErrors.cs
@@ -18,7 +18,7 @@ namespace WixToolset.Core.WindowsInstaller
 
         public enum Ids
         {
-            // ReplaceThisWithTheFirstError = 7000,
-        }
+            // ReplaceThisWithTheFirstError = 7500,
+        } // last available is 7999. 8000 is BurnBackendErrors.
     }
 }
diff --git a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendWarnings.cs b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendWarnings.cs
index 0eaadbe1..d0986a4d 100644
--- a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendWarnings.cs
+++ b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendWarnings.cs
@@ -18,7 +18,7 @@ namespace WixToolset.Core.WindowsInstaller
 
         public enum Ids
         {
-            // ReplaceThisWithTheFirstWarning = 7500,
-        }
+            // ReplaceThisWithTheFirstWarning = 7100,
+        } // last available is 7499. 7500 is WindowsInstallerBackendErrors.
     }
 }