Learn Editor: Update compiler-warning-level-1-c4165.md

Author: Rastaban

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4165.md

@@ -6,12 +6,14 @@ f1_keywords: ["C4165"]
 helpviewer_keywords: ["C4165"]
 ms.assetid: f5bed515-2290-4f88-8dab-b45d95fe26ef
 ---
-# Compiler Warning (level 1) C4165
+# Compiler Warning (level 3, off) C4165
 
 'HRESULT' is being converted to 'bool'; are you sure this is what you want?
 
 When using an HRESULT in an [if](../../cpp/if-else-statement-cpp.md) statement, the HRESULT will be converted to a [bool](../../cpp/bool-cpp.md) unless you explicitly test for the variable as an HRESULT. This warning is off by default.
 
+Warning C4165 is off by default. For more information, see [Compiler Warnings That Are Off By Default](../../preprocessor/compiler-warnings-that-are-off-by-default.md).
+
 ## Example
 
 The following sample generates C4165