Tidy docs

docs/ABOUT.md

@@ -6,4 +6,4 @@ C is commonly found in low level applications as it's a good alternative to hard
 It can be compiled to assembly to keep the same level of performance, while increasing readability, and providing a small level of safety with static types!
 
 C was created by Dennis Ritchie at Bell Labs, and used to re-implement the Unix operating system.
-Now, it's one of the most used programming languages, with many compilers supporting providing support for most available hardware and platforms - there's plenty of resources and support available to help you get started!
+Now, it's one of the most used programming languages, with many compilers providing support for most available hardware and platforms - there's plenty of resources and support available to help you get started!

docs/INSTALLATION.md

@@ -26,6 +26,6 @@ Windows 10 users are recommended to use the [Windows Subsystem for Linux][], and
 If you are using an earlier version of Windows or WSL Bash is not available to you, you could use [MSYS][] or [mingw-w64][].
 
 [Homebrew]: https://brew.sh
-[Windows Subsystem for Linux]: https://msdn.microsoft.com/en-us/commandline/wsl/about
+[Windows Subsystem for Linux]: https://docs.microsoft.com/en-gb/windows/wsl/about
 [MSYS]: https://www.msys2.org/
 [mingw-w64]: http://mingw-w64.org/doku.php

docs/TESTS.md

@@ -43,7 +43,8 @@ $ make
 
 This will compile your code, and run the tests.
 
-The `makefile` comes also with a build that checks some common mistakes regarding memory leaks and out of bound access to arrays. To run these checks, use the following at the command line:
+The `makefile` comes also with a build that checks some common mistakes regarding memory leaks and out of bound access to arrays.
+To run these checks, use the following at the command line:
 
 ```console
 $ make memcheck

exercises/shared/.docs/tests.md

@@ -5,7 +5,7 @@ Get the first test compiling, linking and passing by following the [three rules
 The included makefile can be used to create and run the tests using the `test` task.
 
 ```console
-    make test
+$ make test
 ```
 
 Create just the functions you need to satisfy any compiler errors and get the test to fail.