Some grammatical and spelling corrections (TheAlgorithms#1475)

Author: ArjunwadkarAjay

maths/collatz_sequence.py

@@ -1,16 +1,16 @@
 def collatz_sequence(n):
     """
-    Collatz conjecture: start with any positive integer n.Next termis obtained from the previous term as follows: 
-    if the previous term is even, the next term is one half the previous term. 
+    Collatz conjecture: start with any positive integer n.Next term is obtained from the previous term as follows: 
+    if the previous term is even, the next term is one half of the previous term. 
     If the previous term is odd, the next term is 3 times the previous term plus 1. 
-    The conjecture states the sequence will always reach 1 regaardess of starting n.
+    The conjecture states the sequence will always reach 1 regaardless of starting value n.
     Example:
     >>> collatz_sequence(43)
     [43, 130, 65, 196, 98, 49, 148, 74, 37, 112, 56, 28, 14, 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1]
     """
     sequence = [n]
     while n != 1:
-        if n % 2 == 0:  # even
+        if n % 2 == 0:  # even number condition
             n //= 2
         else:
             n = 3 * n + 1