diff --git a/10_fibonacci/README.md b/10_fibonacci/README.md
index 63c47b6..66ef776 100644
--- a/10_fibonacci/README.md
+++ b/10_fibonacci/README.md
@@ -2,7 +2,8 @@
 
 Create a function that returns a specific member of the Fibonacci sequence:
 
-> A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 0, 1, 1, 2, 3, 5, 8, etc.
+> A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. In this exercise, the series starts from 1, 1, 2, 3, 5, 8... but it can also start from 0, 1, 1, 2, 3, 5...
+> To learn more about Fibonacci sequences, go to: https://en.wikipedia.org/wiki/Fibonacci_sequence
 
 ```javascript
 fibonacci(4); // returns the 4th member of the series: 3  (1, 1, 2, 3)