From b3b89d9460a56d88ac4ba528363bbdcc55bb3fa6 Mon Sep 17 00:00:00 2001
From: Grigoriy Hanin <43445998+haningrisha@users.noreply.github.com>
Date: Mon, 31 May 2021 02:41:07 +0300
Subject: [PATCH] Armstrong number definition fix (#4466)

This is a documentation fix. This fix patches a mistake in the description of the Armstrong number.

* * Doc fix

* Armstrong number is not the sum of cube's of number digits, but
the sum of number's digits each raised to the power of the number of digits

* Update armstrong_numbers.py

Line shorten
---
 maths/armstrong_numbers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/maths/armstrong_numbers.py b/maths/armstrong_numbers.py
index d30ed2e43..af25688db 100644
--- a/maths/armstrong_numbers.py
+++ b/maths/armstrong_numbers.py
@@ -1,5 +1,6 @@
 """
-An Armstrong number is equal to the sum of the cubes of its digits.
+An Armstrong number is equal to the sum of its own digits each raised
+to the power of the number of digits.
 For example, 370 is an Armstrong number because 3*3*3 + 7*7*7 + 0*0*0 = 370.
 An Armstrong number is often called Narcissistic number.
 """