diff --git a/src/cascadia/LocalTests_TerminalApp/TerminalApp.LocalTests.manifest b/src/cascadia/LocalTests_TerminalApp/TerminalApp.LocalTests.manifest
index ef9516047af..a447bc8fdc2 100644
--- a/src/cascadia/LocalTests_TerminalApp/TerminalApp.LocalTests.manifest
+++ b/src/cascadia/LocalTests_TerminalApp/TerminalApp.LocalTests.manifest
@@ -9,6 +9,7 @@
     <application>
         <!-- Windows 10 1903 -->
         <!-- See https://docs.microsoft.com/en-us/windows/apps/desktop/modernize/xaml-islands -->
+        <!-- "maxversiontested" is CASE SENSITIVE. Do not change this.-->
         <maxversiontested Id="10.0.18362.0"/>
         <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
     </application>
diff --git a/src/cascadia/WindowsTerminal/WindowsTerminal.manifest b/src/cascadia/WindowsTerminal/WindowsTerminal.manifest
index 674a264e7c2..a447bc8fdc2 100644
--- a/src/cascadia/WindowsTerminal/WindowsTerminal.manifest
+++ b/src/cascadia/WindowsTerminal/WindowsTerminal.manifest
@@ -9,7 +9,8 @@
     <application>
         <!-- Windows 10 1903 -->
         <!-- See https://docs.microsoft.com/en-us/windows/apps/desktop/modernize/xaml-islands -->
-        <maxVersionTested Id="10.0.18362.0"/>
+        <!-- "maxversiontested" is CASE SENSITIVE. Do not change this.-->
+        <maxversiontested Id="10.0.18362.0"/>
         <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
     </application>
   </compatibility>