readme update

README.md

@@ -4,9 +4,9 @@ TMTC Client
 ## Prerequisites
 Runs with Python 3.8.
 Don't use Python 2.x!
-Manual installation of crcmod might be needed
+Manual installation of crcmod and pyserial might be needed
  1. Install pip if it is not installed yet
- 2. Install crcmod and all other reqiored packages:
+ 2. Install crcmod and all other required packages:
     Command: python<version> -m pip<version> install crcmod
     or use IDE (interpreter settings -> pip in PyCharm)
 
@@ -72,7 +72,8 @@ yet for the FSFW.
 Some more information will follow on how to write Unit Tests.
 
 ## Developers Information
-Code Style: [PEP8](https://www.python.org/dev/peps/pep-0008/)
+Code Style: [PEP8](https://www.python.org/dev/peps/pep-0008/).
+
 Can be enforced/checked by using Pylint as an external program in PyCharm.
 Install it with pip and then install and set-up the Pylint plugin in PyCharm.