Fix the README.md file

README.md

-1. Cntr + D - Fix memory leak
-2. Empty line with exit
+Authors: Krasimir Balchev, Stefan Costica, Nikolay Tsanov, Mihail Hristov, Enrique Martín Ocaña
+Group Number: 18
+Purpose: A simple shell implemented in C, it supports the built-in UNIX commands, history invocations, aliases (recursive aliases are possible).
+Language: C
+ 
+NOTE: To run the shell, you can simple open a terminal and type `./run.sh` which will compile and automatically run the simple shell.
+      Alternatively, you can use the Makefile that comes with the project by running `make` in the terminal.
+
+University of Strathclyde 2020
\ No newline at end of file

main.c

@@ -3,6 +3,9 @@
  * Group Number: 18
  * Purpose: A simple shell implemented in C, it supports the built-in UNIX commands, history invocations, aliases (recursive aliases are possible).
  * Language: C
+ * 
+ * NOTE: To run the shell, you can simple open a terminal and type `./run.sh` which will compile and automatically run the simple shell.
+ *       Alternatively, you can use the Makefile that comes with the project by running `make` in the terminal.
  */
 
 #include <stdio.h>