doc: Fix a couple spelling errors

Author: krivenko

README.md

@@ -8,7 +8,7 @@ https://github.com/krivenko/pycommute/actions/workflows/build-and-test.yml)
 https://krivenko.github.io/pycommute)
 
 *pycommute* is a Python package providing bindings for the
-[libcommute](https://github.com/krivenko/libcommute) quantum operator algerba
+[libcommute](https://github.com/krivenko/libcommute) quantum operator algebra
 library.
 
 You can find a few

docs/examples.rst

@@ -125,7 +125,7 @@ the quantities conserved by the Hamiltonian (see, for instance, [SKFP16]_).
 
 In the script shown below we construct an electron-electron interaction
 Hamiltonian of an atomic :math:`d`-shell using
-:func:`Slater <pycommute.models.slater_int>` parametrization. Then, we employ
+:func:`Slater <pycommute.models.slater_int>` parameterization. Then, we employ
 the :class:`SpacePartition <pycommute.loperator.SpacePartition>` and
 :class:`BasisMapper <pycommute.loperator.BasisMapper>` utility classes (and
 optionally the :func:`make_matrix() <pycommute.loperator.make_matrix>` function)