Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -75,7 +75,7 @@
 Modified Compiler Flags
 -----------------------
 
-- `clang -dumpversion` now returns the version of Clang itself.
+- ``clang -dumpversion`` now returns the version of Clang itself.
 
 - ...
 
@@ -92,7 +92,10 @@
 Windows Support
 ---------------
 
-- ...
+- clang-cl now treats non-existent files as possible typos for flags,
+  ``clang-cl /diagnostic:caret /c test.cc`` for example now produces
+  ``clang: error: no such file or directory: '/diagnostic:caret'; did you mean '/diagnostics:caret'?``
+
 
 
 C Language Changes in Clang
Index: lld/docs/ReleaseNotes.rst
===================================================================
--- lld/docs/ReleaseNotes.rst
+++ lld/docs/ReleaseNotes.rst
@@ -24,11 +24,17 @@
 ELF Improvements
 ----------------
 
+* ld.lld now has typo suggestions for flags:
+  ``$ ld.lld --call-shared`` now prints
+  ``unknown argument '--call-shared', did you mean '--call_shared'``.
+
 * ...
 
 COFF Improvements
 -----------------
 
+* Like the ELF driver, lld-link now has typo suggestions for flags.
+
 * lld-link now correctly reports duplicate symbol errors for obj files
   that were compiled with /Gy.