Improves what-is-maven.md
diff --git a/content/markdown/what-is-maven.md b/content/markdown/what-is-maven.md
index afeab68..973f025 100644
--- a/content/markdown/what-is-maven.md
+++ b/content/markdown/what-is-maven.md
@@ -84,7 +84,7 @@
 ### Allowing transparent migration to new features
 
 Maven provides an easy way for Maven clients to update their
-installations so that they can take advantage of any changes that has been
+installations so that they can take advantage of any changes that have been
 made to Maven itself.
 
 Installation of new or updated plugins from third parties or Maven