diff --git a/src/mlpack/tests/custom_layer.hpp b/src/mlpack/tests/custom_layer.hpp
index a8ad5cf4a2..8d791b1ebd 100644
--- a/src/mlpack/tests/custom_layer.hpp
+++ b/src/mlpack/tests/custom_layer.hpp
@@ -2,7 +2,7 @@
  * @file tests/custom_layer.hpp
  * @author Projyal Dev
  *
- * A simple custom layer mimicing SigmoidLayer for testing if custom
+ * A simple custom layer mimicking SigmoidLayer for testing if custom
  * layers work.
  *
  * mlpack is free software; you may redistribute it and/or modify it under the
@@ -20,16 +20,17 @@
 
 namespace mlpack {
 namespace ann {
-  /**
-   * Standard Sigmoid layer.
-   */
-  template <
-      class ActivationFunction = LogisticFunction,
-      typename InputDataType = arma::mat,
-      typename OutputDataType = arma::mat
-  >
-  using CustomLayer = BaseLayer<
-      ActivationFunction, InputDataType, OutputDataType>;
+
+/**
+ * Standard Sigmoid layer.
+ */
+template <
+    class ActivationFunction = LogisticFunction,
+    typename InputDataType = arma::mat,
+    typename OutputDataType = arma::mat
+>
+using CustomLayer = BaseLayer<
+    ActivationFunction, InputDataType, OutputDataType>;
 
 } // namespace ann
 } // namespace mlpack