diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -172,5 +172,5 @@
 
 The improvements are...
 
-Clang-tidy visual studio plugin
+Clang-tidy Visual Studio plugin
 -------------------------------
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -237,7 +237,7 @@
   rather than -ffp-contract=fast, and the documentation of these features has
   been clarified. Previously, the documentation claimed that -ffp-model=precise
   was the default, but this was incorrect because the precise model implied
-  -ffp-contract=fast, wheras the (now corrected) default behavior is
+  -ffp-contract=fast, whereas the (now corrected) default behavior is
   -ffp-contract=on.
   -ffp-model=precise is now exactly the default mode of the compiler.
 
@@ -276,7 +276,7 @@
 - Option ``AllowShortEnumsOnASingleLine: false`` has been improved, it now
   correctly places the opening brace according to ``BraceWrapping.AfterEnum``.
 
-- Option ``QualifierAligment`` has been added in order to auto-arrange the
+- Option ``QualifierAlignment`` has been added in order to auto-arrange the
   positioning of specifiers/qualifiers
   `const` `volatile` `static` `inline` `constexpr` `restrict`
   in variable and parameter declarations to be either ``Right`` aligned
diff --git a/libcxx/docs/ReleaseNotes.rst b/libcxx/docs/ReleaseNotes.rst
--- a/libcxx/docs/ReleaseNotes.rst
+++ b/libcxx/docs/ReleaseNotes.rst
@@ -56,7 +56,7 @@
   randomization of both sides of partition for ``std::nth_element``)
 
 - Floating-point support for ``std::to_chars`` support has been added.
-  Thanks to Stephan T. Lavavej and Microsoft for providing their implemention
+  Thanks to Stephan T. Lavavej and Microsoft for providing their implementation
   to libc++.
 
 API Changes
@@ -65,11 +65,11 @@
 - The functions ``std::atomic<T*>::fetch_(add|sub)`` and
   ``std::atomic_fetch_(add|sub)`` no longer accept a function pointer. While
   this is technically an API break, the invalid syntax isn't supported by
-  libstc++ and MSVC STL.  See https://godbolt.org/z/49fvzz98d.
+  libstdc++ and MSVC STL.  See https://godbolt.org/z/49fvzz98d.
 
 - The call of the functions ``std::atomic_(add|sub)(std::atomic<T*>*, ...)``
   with the explicit template argument ``T`` are now ill-formed. While this is
-  technically an API break, the invalid syntax isn't supported by libstc++ and
+  technically an API break, the invalid syntax isn't supported by libstdc++ and
   MSVC STL. See https://godbolt.org/z/v9959re3v.
 
   Due to this change it's now possible to call these functions with the
@@ -125,7 +125,7 @@
   culminated in over 5 different ways to build the runtimes, which made it impossible to
   maintain with a good level of support. Starting with this release, the runtimes support
   exactly two ways of being built, which should cater to all use-cases. Furthermore,
-  these builds are as lightweight as possible and will work consistently even when targetting
+  these builds are as lightweight as possible and will work consistently even when targeting
   embedded platforms, which used not to be the case. Please see the documentation on building
   libc++ to see those two ways of building and migrate over to the appropriate build instructions
   as soon as possible.
diff --git a/lld/docs/ReleaseNotes.rst b/lld/docs/ReleaseNotes.rst
--- a/lld/docs/ReleaseNotes.rst
+++ b/lld/docs/ReleaseNotes.rst
@@ -31,7 +31,7 @@
 * ``e_entry`` no longer falls back to the address of ``.text`` if the entry symbol does not exist.
   Instead, a value of 0 will be written.
   (`D110014 <https://reviews.llvm.org/D110014>`_)
-* If ``-Map`` is specified, ``--cref`` will be printted to the specified file.
+* If ``-Map`` is specified, ``--cref`` will be printed to the specified file.
   (`D114663 <https://reviews.llvm.org/D114663>`_)
 
 Architecture specific changes:
diff --git a/polly/docs/ReleaseNotes.rst b/polly/docs/ReleaseNotes.rst
--- a/polly/docs/ReleaseNotes.rst
+++ b/polly/docs/ReleaseNotes.rst
@@ -19,7 +19,7 @@
     -polly-isl-arg=--no-schedule-serialize-sccs
 
 - The command line option -polly-loopfusion-greedy has been added.
-  This will agressively try to fuse any loop regardless of
+  This will aggressively try to fuse any loop regardless of
   profitability. The is what users might have expected what
   -polly-opt-fusion=max would do.