doc: updated credits and changelog.

doc/changelog.dox

@@ -64,8 +64,9 @@ See also:
     integer ranges
 -   Added MSVC Natvis files and pretty-printers for GDB. See @ref debuggers,
     [mosra/magnum#589](https://github.com/mosra/magnum/pull/589),
-    [mosra/magnum#595](https://github.com/mosra/magnum/pull/595) and
-    [mosra/magnum#620](https://github.com/mosra/magnum/pull/620) for more
+    [mosra/magnum#595](https://github.com/mosra/magnum/pull/595),
+    [mosra/magnum#620](https://github.com/mosra/magnum/pull/620) and
+    [mosra/magnum#623](https://github.com/mosra/magnum/pull/623) for more
     information.
 
 @subsubsection changelog-latest-new-debugtools DebugTools library

doc/credits.dox

@@ -110,8 +110,8 @@ Are the below lists missing your name or something's wrong?
 -   **[\@biosek](https://github.com/biosek)** --- documentation fixes
 -   **Borislav Stanimirov** ([\@iboB](https://github.com/iboB)) --- strict
     weak ordering for @ref Math types
--   **Burak Canik** ([\@HaroldReyiz](https://github.com/HaroldReyiz)) --- MSVC
-    warning fixes
+-   **Burak Canik** ([\@fauder](https://github.com/fauder)) --- improvements to
+    MSVC natvis files, warning fixes
 -   **Cameron Egbert** ([\@cegbertOculus](https://github.com/cegbertOculus))
     --- fixes to Windows HiDPI support
 -   **Christophe Meyer** ([\@cmey](https://github.com/cmey)) --- documentation