description.md in trackler-2.0.6.7

- old
+ new

@@ -13,8 +13,8 @@
 
 ## Examples
 
 - 6 is a perfect number because its divisors are 1, 2, 3 and 6 = 1 + 2 +
   3.
-- 28 is perfect number because 28 = 1 + 2 + 4 + 7 + 14.
-- Prime numbers 7, 13, etc are Deficient by the Nicomachus
+- 28 is a perfect number because 28 = 1 + 2 + 4 + 7 + 14.
+- Prime numbers 7, 13, etc are considered deficient in the Nicomachus
   classification.