diff --git a/src/mlpack/core/metrics/mahalanobis_distance.hpp b/src/mlpack/core/metrics/mahalanobis_distance.hpp
index a1f81ce6b1..3547202eee 100644
--- a/src/mlpack/core/metrics/mahalanobis_distance.hpp
+++ b/src/mlpack/core/metrics/mahalanobis_distance.hpp
@@ -1,5 +1,5 @@
 /***
- * @file mahalanobis_dstance.hpp
+ * @file mahalanobis_distance.hpp
  * @author Ryan Curtin
  *
  * The Mahalanobis distance.