diff --git a/subjects/isnumeric/README.md b/subjects/isnumeric/README.md
index 26dd8eea9..577c621a7 100644
--- a/subjects/isnumeric/README.md
+++ b/subjects/isnumeric/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function that returns `true` if the `string` passed as a parameter only contains numerical characters, and returns `false` otherwise.
+Write a function that returns `true` if the `string` passed as a parameter contains only numerical characters; returns `false` otherwise.
 
 ### Expected function