docs: Correct minor typos (#3721)

noxfile.py

@@ -2,7 +2,7 @@ import nox
 
 nox.options.sessions = ["lint", "tests", "tests_packaging"]
 
-PYTHON_VERISONS = ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+PYTHON_VERSIONS = ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
 
 
 @nox.session(reuse_venv=True)
@@ -14,7 +14,7 @@ def lint(session: nox.Session) -> None:
     session.run("pre-commit", "run", "-a")
 
 
-@nox.session(python=PYTHON_VERISONS)
+@nox.session(python=PYTHON_VERSIONS)
 def tests(session: nox.Session) -> None:
     """
     Run the tests (requires a compiler).

tests/test_sequences_and_iterators.cpp

@@ -452,7 +452,7 @@ TEST_SUBMODULE(sequences_and_iterators, m) {
             [](IntPairs &self) { return py::make_value_iterator(self, py::call_guard<int>()); },
             py::keep_alive<0, 1>());
 
-    // test_iterater_referencing
+    // test_iterator_referencing
     py::class_<NonCopyableInt>(m, "NonCopyableInt")
         .def(py::init<int>())
         .def("set", &NonCopyableInt::set)

tools/pybind11Config.cmake.in

@@ -86,7 +86,7 @@ you can either use the basic targets, or use the FindPython tools:
   set_target_properties(MyModule2 PROPERTIES
                                   INTERPROCEDURAL_OPTIMIZATION ON
                                   CXX_VISIBILITY_PRESET ON
-                                  VISIBLITY_INLINES_HIDDEN ON)
+                                  VISIBILITY_INLINES_HIDDEN ON)
 
 If you build targets yourself, you may be interested in stripping the output
 for reduced size; this is the one other feature that the helper function gives you.