diff --git a/matrix/Quaternion.hpp b/matrix/Quaternion.hpp
index 05c6f0e1cc..cf29a646f5 100644
--- a/matrix/Quaternion.hpp
+++ b/matrix/Quaternion.hpp
@@ -1,5 +1,5 @@
 /**
- * @file Matrix.hpp
+ * @file Quaternion.hpp
  *
  * A quaternion class.
  *