diff --git a/subjects/isupper/README.md b/subjects/isupper/README.md
index e582f388..2df4ccfc 100644
--- a/subjects/isupper/README.md
+++ b/subjects/isupper/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function that returns `true` if the `string` passed in parameter only contains uppercase characters, and that returns `false` otherwise.
+Write a function that returns 'true' if the 'string' passed as parameter contains only the uppercase characters; returns 'false' otherwise.
 
 ### Expected function