Merging changes synced from https://github.com/MicrosoftDocs/cpp-docs-pr (branch live)

Author: opbld16

docs/cpp/class-member-overview.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: Class member overview"
 title: "Class member overview"
-ms.date: 03/15/2022
+ms.date: 07/01/2022
 helpviewer_keywords: ["members [C++], types of class members", "members [C++]", "class members [C++], types of", "class members"]
 ms.assetid: 8802cfa9-705d-4f37-acde-245d6838010c
 ---
@@ -17,7 +17,7 @@ The full list of member categories is as follows:
 
 - [Overview of member functions](overview-of-member-functions.md).
 
-- [Data members](static-members-cpp.md) including built-in types and other user defined types.
+- [Mutable](static-members-cpp.md) and [static](static-members-cpp.md) data members, including built-in types and other user defined types.
 
 - Operators
 

docs/intrinsics/bitscanreverse-bitscanreverse64.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: _BitScanReverse, _BitScanReverse64"
 title: "_BitScanReverse, _BitScanReverse64"
-ms.date: "09/02/2019"
+ms.date: 07/01/2022
 f1_keywords: ["_BitScanReverse64", "_BitScanReverse_cpp", "_BitScanReverse", "_BitScanReverse64_cpp"]
 helpviewer_keywords: ["bsr instruction", "_BitScanReverse intrinsic", "BitScanReverse intrinsic"]
 ms.assetid: 2520a207-af8b-4aad-9ae7-831abeadf376
@@ -28,14 +28,14 @@ unsigned char _BitScanReverse64(
 ### Parameters
 
 *Index*\
-[out] Loaded with the bit position of the first set bit (1) found.
+[out] Loaded with the bit position of the first set bit (1) found. Otherwise, undefined.
 
 *Mask*\
 [in] The 32-bit or 64-bit value to search.
 
 ## Return value
 
-Nonzero if `Index` was set, or 0 if no set bits were found.
+Nonzero if any bit was set in `Mask`, or 0 if no set bits were found.
 
 ## Requirements