diff --git a/02-cpu-commnads/hex2bin.py b/02-cpu-commnads/hex2bin.py
index 6ac4acf..d8e9a1d 100755
--- a/02-cpu-commnads/hex2bin.py
+++ b/02-cpu-commnads/hex2bin.py
@@ -4,8 +4,8 @@ import argparse
 def hex2bin(hexNum: str) -> None:
     return bin(int(hexNum, 16))
 
-parser = argparse.ArgumentParser(description="convert hex number to bin right in terminal")
-parser.add_argument('-s', '--stdin', action='store_true', help="if passed takes input from terminal arguments")
+parser = argparse.ArgumentParser(description="Convert hex number to bin right in terminal")
+parser.add_argument('-s', '--stdin', action='store_true', help="if passed takes input from stdin")
 parser.add_argument('number', nargs='?')
 
 args = parser.parse_args()