diff --git a/subjects/gcd.md b/subjects/gcd.md
index 3cf126ae..9d1a509e 100644
--- a/subjects/gcd.md
+++ b/subjects/gcd.md
@@ -4,7 +4,7 @@
 Write a program that takes two strings representing two strictly positive
 integers that fit in an int.
 
-Display their highest common denominator followed by a newline (It's always a
+Display their greatest common divisor followed by a newline (It's always a
 strictly positive integer).
 
 If the number of parameters is not 2, display a newline.