diff --git a/gtsam/linear/Sampler.cpp b/gtsam/linear/Sampler.cpp
index 57a34f364..ed204fcac 100644
--- a/gtsam/linear/Sampler.cpp
+++ b/gtsam/linear/Sampler.cpp
@@ -11,7 +11,7 @@
 
 /**
  * @file Sampler.cpp
- * @brief sampling from a NoiseModel to generate
+ * @brief sampling from a diagonal NoiseModel
  * @author Frank Dellaert
  * @author Alex Cunningham
  */
diff --git a/gtsam/linear/Sampler.h b/gtsam/linear/Sampler.h
index b53f02d23..a52cde330 100644
--- a/gtsam/linear/Sampler.h
+++ b/gtsam/linear/Sampler.h
@@ -11,7 +11,7 @@
 
 /**
  * @file Sampler.h
- * @brief sampling from a NoiseModel to generate
+ * @brief sampling from a NoiseModel
  * @author Frank Dellaert
  * @author Alex Cunningham
  */