Documentation: Installation from sources.

Author: redcode

README

@@ -75,10 +75,10 @@ its source code tarball to the root directory of the Z80 project or its parent
 directory. Zeta is the sole dependency; the emulator does not depend on the C
 standard library.
 
-Lastly, the package includes two testing tools. The first one runs various Z80-
-specific tests for CP/M and ZX Spectrum and will use libzip and zlib if they are
-available on your system. The second tool is for unit tests in JSON format and
-requires the cJSON and Z80InsnClock libraries. Building these tools is optional.
+Lastly, the package includes two testing tools, which are optional to build.
+The first one runs various Z80-specific tests for CP/M and ZX Spectrum and will
+use libzip and zlib if they are available on your system. The second tool is for
+unit tests in JSON format and requires the cJSON and Z80InsnClock libraries.
 
 3.2.  Configure
 

README.md

@@ -364,7 +364,7 @@ You will need [CMake](https://cmake.org) v3.14 or later to build the package and
 
 The Z80 library requires some types and macros included in [Zeta](https://zxe.io/software/Zeta), a [header-only](https://en.wikipedia.org/wiki/Header-only), dependency-free library used for portability reasons. Install Zeta or extract its [source code tarball](https://zxe.io/software/Zeta/download) to the root directory of the Z80 project or its parent directory. Zeta is the sole dependency; the emulator does not depend on the [C standard library](https://en.wikipedia.org/wiki/C_standard_library).
 
-Lastly, the package includes two testing tools. The first one runs various Z80-specific tests for [CP/M](https://en.wikipedia.org/wiki/CP/M) and [ZX Spectrum](https://en.wikipedia.org/wiki/ZX_Spectrum) and will use [libzip](https://libzip.org) and [zlib](https://zlib.net) if they are available on your system. The second tool is for [unit tests in JSON format](https://github.com/SingleStepTests/z80) and requires the [cJSON](https://github.com/DaveGamble/cJSON) and [Z80InsnClock](https://zxe.io/software/Z80InsnClock) libraries. Building these tools is optional.
+Lastly, the package includes two testing tools, which are optional to build. The first one runs various Z80-specific tests for [CP/M](https://en.wikipedia.org/wiki/CP/M) and [ZX Spectrum](https://en.wikipedia.org/wiki/ZX_Spectrum) and will use [libzip](https://libzip.org) and [zlib](https://zlib.net) if they are available on your system. The second tool is for [unit tests in JSON format](https://github.com/SingleStepTests/z80) and requires the [cJSON](https://github.com/DaveGamble/cJSON) and [Z80InsnClock](https://zxe.io/software/Z80InsnClock) libraries.
 
 ### Configure
 

documentation/installation-from-sources.rst

@@ -37,7 +37,7 @@ You will need `CMake <https://cmake.org>`_ v3.14 or later to build the package a
 
 The Z80 library requires some types and macros included in `Zeta <https://zxe.io/software/Zeta>`_, a `header-only <https://en.wikipedia.org/wiki/Header-only>`_, dependency-free library used for portability reasons. Install Zeta or extract its `source code tarball <https://zxe.io/software/Zeta/download>`_ to the root directory of the Z80 project or its parent directory. Zeta is the sole dependency; the emulator does not depend on the `C standard library <https://en.wikipedia.org/wiki/C_standard_library>`_.
 
-Lastly, the package includes two testing tools. The first one runs various Z80-specific tests for `CP/M`_ and `ZX Spectrum`_ and will use `libzip <https://libzip.org>`_ and `zlib <https://zlib.net>`_ if they are available on your system. The second tool is for `unit tests in JSON format`_ and requires the `cJSON <https://github.com/DaveGamble/cJSON>`_ and `Z80InsnClock <https://zxe.io/software/Z80InsnClock>`_ libraries. Building these tools is optional.
+Lastly, the package includes two testing tools, which are optional to build. The first one runs various Z80-specific tests for `CP/M`_ and `ZX Spectrum`_ and will use `libzip <https://libzip.org>`_ and `zlib <https://zlib.net>`_ if they are available on your system. The second tool is for `unit tests in JSON format`_ and requires the `cJSON <https://github.com/DaveGamble/cJSON>`_ and `Z80InsnClock <https://zxe.io/software/Z80InsnClock>`_ libraries.
 
 Configure
 =========