Fix typos (#3044)

docs/advanced/pycpp/numpy.rst

diff --git a/docs/advanced/pycpp/numpy.rst b/docs/advanced/pycpp/numpy.rst
index 0a81aa8..53ec8c1 100644
--- a/docs/advanced/pycpp/numpy.rst
+++ b/docs/advanced/pycpp/numpy.rst
@@ -390,7 +390,7 @@
    py::array b = a[py::make_tuple(0, py::ellipsis(), 0)];
 
 .. versionchanged:: 2.6
-   ``py::ellipsis()`` is now also avaliable in Python 2.
+   ``py::ellipsis()`` is now also available in Python 2.
 
 Memory view
 ===========

docs/compiling.rst

diff --git a/docs/compiling.rst b/docs/compiling.rst
index 3a8a270..27f30e5 100644
--- a/docs/compiling.rst
+++ b/docs/compiling.rst
@@ -149,7 +149,7 @@
     and ``pyproject.toml`` are not even contained in the wheel, so this high
     Pip requirement is only for source builds, and will not affect users of
     your binary wheels. If you are building SDists and wheels, then
-    `pypa-build`_ is the recommended offical tool.
+    `pypa-build`_ is the recommended official tool.
 
 .. _PEP 517: https://www.python.org/dev/peps/pep-0517/
 .. _cibuildwheel: https://cibuildwheel.readthedocs.io
@@ -411,7 +411,7 @@
 
 .. code-block:: cmake
 
-    cmake_minumum_required(VERSION 3.15...3.19)
+    cmake_minimum_required(VERSION 3.15...3.19)
     project(example LANGUAGES CXX)
 
     find_package(Python COMPONENTS Interpreter Development REQUIRED)
@@ -516,7 +516,7 @@
     compiler flags are provided to ensure high quality code generation. In
     contrast to the ``pybind11_add_module()`` command, the CMake interface
     provides a *composable* set of targets to ensure that you retain flexibility.
-    It can be expecially important to provide or set these properties; the
+    It can be especially important to provide or set these properties; the
     :ref:`FAQ <faq:symhidden>` contains an explanation on why these are needed.
 
 .. versionadded:: 2.6