Update 10_fibonacci/README.md

Co-authored-by: Manon <81025586+ManonLef@users.noreply.github.com>

Author: RushilJalal

10_fibonacci/README.md

@@ -3,7 +3,7 @@
 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.
-> In this exercise, the Fibonacci sequence used is 1, 1, 2, 3, 5, 8...
+> In this exercise, the Fibonacci sequence used is 1, 1, 2, 3, 5, 8, etc.
 > To learn more about Fibonacci sequences, go to: https://en.wikipedia.org/wiki/Fibonacci_sequence
 
 ```javascript