diff --git a/gtsam_unstable/nonlinear/tests/testCustomChartExpression.cpp b/gtsam_unstable/nonlinear/tests/testCustomChartExpression.cpp
index 59df89b32..bfd2574ea 100644
--- a/gtsam_unstable/nonlinear/tests/testCustomChartExpression.cpp
+++ b/gtsam_unstable/nonlinear/tests/testCustomChartExpression.cpp
@@ -10,7 +10,7 @@
  * -------------------------------1------------------------------------------- */
 
 /**
- * @file testExpression.cpp
+ * @file testCustomChartExpression.cpp
  * @date September 18, 2014
  * @author Frank Dellaert
  * @author Paul Furgale