diff --git a/subjects/numofdigits/README.md b/subjects/numofdigits/README.md
index eeb390df..d2a2d58e 100644
--- a/subjects/numofdigits/README.md
+++ b/subjects/numofdigits/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function that returns a number of digits in a nonnegative integer n.
+Write a function that returns the number of digits in a nonnegative integer n.
 - if you enter a negative input return 0.
 
 ### Expected function