Update README.md & Fix #2

PythonScripts/rename_backslash.py

@@ -27,7 +27,7 @@ def replace_backslash(directory):
 if __name__ == "__main__":
     # Check if the correct number of command-line arguments is provided
     if len(sys.argv) != 2:
-        print("Usage: python script_name.py <directory_path>")
+        print("Usage: python rename_backslash.py <directory_path>")
     else:
         directory_path = sys.argv[1]  # Get the directory path from command-line argument