Revise README instructions for PyCalc-PLUS

Updated instructions for running PyCalc-PLUS on Linux and MacOS, including changes to file names and permissions.

Author: Chill-Astro

README.md

@@ -26,14 +26,12 @@ PyCalc PLUS! is a faster version of PyCalc written fully in C#! It's available f
 
 ## To Run on Linux & MacOS : 
 
-    chmod +x /<path>/PyCalc-PLUS 
+    chmod +x /<path>/PyCalc-PLUS-x
 
-    .//<path>/PyCalc-PLUS
 
+Replace <path> with the actual directory and x with your OS.
 
-Replace <path> with the actual directory.
-
-Note : You may need to run as Superuser using sudo! On MacOS, you may need to modify some permissions under Privacy and Security!
+Note : You may need to run as Superuser using sudo! On MacOS, you may need to modify some permissions under Privacy and Security.
 
 ---
 
@@ -48,7 +46,7 @@ Note : You may need to run as Superuser using sudo! On MacOS, you may need to mo
 
 - Any system with .NET SDK installed [ For building ].
 - Build the file in any IDE / Code Editior.
-- No installation needed if using PyCalc-PLUS.exe on Windows Systems or PyCalc-PLUS for Linux & MacOS Systems!
+- No installation needed if using PyC-PLUS.exe on Windows Systems or PyC-PLUS-x for Linux & MacOS Systems!
 
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