fixed grammar in getting-started.rst (#11649)

docs/development/getting-started.rst

@@ -19,7 +19,7 @@ handled by the use of ``nox``, which can be installed with ``pip``.
 OpenSSL on macOS
 ~~~~~~~~~~~~~~~~
 
-You must have installed `OpenSSL`_ (via `Homebrew`_ , `MacPorts`_) before
+You must have installed `OpenSSL`_ (via `Homebrew`_  or `MacPorts`_) before
 invoking ``nox`` or else pip will fail to compile.
 
 Running tests
@@ -61,4 +61,4 @@ The docs can be built using ``nox``:
 .. _`virtualenv`: https://pypi.org/project/virtualenv/
 .. _`pip`: https://pypi.org/project/pip/
 .. _`as documented here`: https://docs.rs/openssl/latest/openssl/#automatic
-.. _`installation instructions`: https://pyenchant.github.io/pyenchant/install.html#installing-the-enchant-c-library
+.. _`installation instructions`: https://pyenchant.github.io/pyenchant/install.html#installing-the-enchant-c-library