diff --git a/subjects/fibonacci/README.md b/subjects/fibonacci/README.md
index 959a72a3..cb90c944 100644
--- a/subjects/fibonacci/README.md
+++ b/subjects/fibonacci/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write an **recursive** function that returns the value of fibonacci sequence matching the index passed as parameter.
+Write a **recursive** function that returns the value of the fibonacci sequence matching the index passed as parameter.
 
 The first value is at index `0`.