diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index afb4cfa91..d6b853ff4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,6 +1,6 @@
 # <a id="contributing"></a> Contributing
 
-Icinga is is an open source project and lives from your ideas and contributions.
+Icinga is an open source project and lives from your ideas and contributions.
 
 There are many ways to contribute, from improving the documentation, submitting
 bug reports and features requests or writing code to add enhancements or fix bugs.