docs: libraries-and-tools: cleanup

Author: ES-Alexander

docs/libraries-and-tools.md

@@ -1,7 +1,7 @@
 ## Libraries and Tools
 
-Ping-Viewer is a Open Source project and it's based in Open Source libraries and tools, here in this page you'll be able to check some references about
-what makes Ping-Viewer possible.
+Ping-Viewer is an Open Source project, and is based on Open Source libraries and tools.
+This page provides some references about the technology that makes Ping-Viewer possible.
 
 ### Libraries
 
@@ -12,6 +12,7 @@ Some libraries are used to help Ping-Viewer to perform a better job:
 
 ### Tools
 
-There is some utilities softwares that helps Ping-Viewer to provide more functionalities for the user:
+There is some utility software that helps Ping-Viewer to provide more functionalities for the user:
 
-- [stm32flash](https://sourceforge.net/projects/stm32flash/) - Open Source cross platform flash program for the STM32 ARM microcontrollers using the built-in ST serial bootloader over UART or I2C.
+- [stm32flash](https://sourceforge.net/projects/stm32flash/)
+    - Open Source cross platform flash program for the STM32 ARM microcontrollers using the built-in ST serial bootloader over UART or I2C.