diff --git a/doc/src/Build_make.rst b/doc/src/Build_make.rst
index f1e34bbc55..f6764100e0 100644
--- a/doc/src/Build_make.rst
+++ b/doc/src/Build_make.rst
@@ -117,8 +117,8 @@ their settings may become outdated, too:
 
 .. code-block:: bash
 
-   make mac             # build serial LAMMPS on a Mac
-   make mac_mpi         # build parallel LAMMPS on a Mac
+   make mac             # build serial LAMMPS on macOS
+   make mac_mpi         # build parallel LAMMPS on macOS
    make intel_cpu       # build with the INTEL package optimized for CPUs
    make knl             # build with the INTEL package optimized for KNLs
    make opt             # build with the OPT package optimized for CPUs
diff --git a/doc/src/Install_conda.rst b/doc/src/Install_conda.rst
index 5140e4e17d..a1a7213609 100644
--- a/doc/src/Install_conda.rst
+++ b/doc/src/Install_conda.rst
@@ -1,13 +1,13 @@
-Download an executable for Linux or Mac via Conda
--------------------------------------------------
+Download an executable for Linux or macOS via Conda
+---------------------------------------------------
 
 Pre-compiled LAMMPS binaries are available for macOS and Linux via the
 `Conda <conda_>`_ package management system.
 
-First, one must set up the Conda package manager on your system.  Follow the
-instructions to install `Miniconda <mini_conda_install_>`_, then create a conda
-environment (named `my-lammps-env` or whatever you prefer) for your LAMMPS
-install:
+First, one must set up the Conda package manager on your system.  Follow
+the instructions to install `Miniconda <mini_conda_install_>`_, then
+create a conda environment (named `my-lammps-env` or whatever you
+prefer) for your LAMMPS install:
 
 .. code-block:: bash
 
diff --git a/doc/src/Install_mac.rst b/doc/src/Install_mac.rst
index 8228b5a4e5..880ddca7a2 100644
--- a/doc/src/Install_mac.rst
+++ b/doc/src/Install_mac.rst
@@ -1,12 +1,12 @@
-Download an executable for Mac
-------------------------------
+Download an executable for macOS
+--------------------------------
 
-LAMMPS can be downloaded, built, and configured for OS X on a Mac with
-`Homebrew <homebrew_>`_.  (Alternatively, see the installation
-instructions for :doc:`downloading an executable via Conda
-<Install_conda>`.)  The following LAMMPS packages are unavailable at
-this time because of additional requirements not yet met: GPU, KOKKOS,
-MSCG, MPIIO, POEMS, VORONOI.
+LAMMPS can be downloaded, built, and configured for macOS with `Homebrew
+<homebrew_>`_.  (Alternatively, see the installation instructions for
+:doc:`downloading an executable via Conda <Install_conda>`.)  The
+following LAMMPS packages are unavailable at this time because of
+additional requirements not yet met: GPU, KOKKOS, MSCG, MPIIO, POEMS,
+VORONOI.
 
 After installing Homebrew, you can install LAMMPS on your system with
 the following commands:
@@ -15,8 +15,9 @@ the following commands:
 
    brew install lammps
 
-This will install the executables "lammps_serial" and "lammps_mpi", as well as
-the LAMMPS "doc", "potentials", "tools", "bench", and "examples" directories.
+This will install the executables "lammps_serial" and "lammps_mpi", as
+well as the LAMMPS "doc", "potentials", "tools", "bench", and "examples"
+directories.
 
 Once LAMMPS is installed, you can test the installation with the
 Lennard-Jones benchmark file: