diff --git a/README.md b/README.md
index 75f45a8..5e14d3d 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ which originated from https://code.google.com/p/savitzky-golay-filter
 
 ## Modification 
 Modified with code from https://github.com/swallez/savitzky-golay-filter issues, which an user has provided a
-modified implementation based on the common-math3. 
+modified implementation based on the commons-math3. 
 
 ## POM