cmake readme: fix readme review

Author: 0xc0170

cmake/README.md

@@ -33,6 +33,15 @@ Prerequisities:
 - mbed-tools >=3.2.0
 
 From the application root run the following:
-1. To create Mbed OS configuration: `mbedtools configure -m target_name -t toolchain_name`
-2. Run CMake to create the project files and build the project using Ninja: `mkdir build && cd build && cmake .. -GNinja && cmake --build .`
+1. To create the Mbed OS configuration CMake module, from the root of the application or wherever `mbed-os-lib` is found: 
+
+    ```
+    mbedtools configure -m target_name -t toolchain_name
+    ``
+
+2. Run the following command to create a build directory, generate the project configuration and build the project using `Ninja`: 
+
+    ```
+    mkdir build && cd build && cmake .. -GNinja && cmake --build .
+    ```