diff --git a/gtsam/sam/BearingFactor.h b/gtsam/sam/BearingFactor.h
index 7076708db..da624ffbb 100644
--- a/gtsam/sam/BearingFactor.h
+++ b/gtsam/sam/BearingFactor.h
@@ -30,7 +30,7 @@ struct Bearing;
  * Binary factor for a bearing measurement
  * Works for any two types A1,A2 for which the functor Bearing<A1,A2>() is
  * defined
- * @addtogroup SAM
+ * @ingroup sam
  */
 template <typename A1, typename A2,
           typename T = typename Bearing<A1, A2>::result_type>
diff --git a/gtsam/sam/RangeFactor.h b/gtsam/sam/RangeFactor.h
index 2db659947..bcd18f372 100644
--- a/gtsam/sam/RangeFactor.h
+++ b/gtsam/sam/RangeFactor.h
@@ -29,7 +29,7 @@ struct Range;
 /**
  * Binary factor for a range measurement
  * Works for any two types A1,A2 for which the functor Range<A1,A2>() is defined
- * @addtogroup SAM
+ * @ingroup sam
  */
 template <typename A1, typename A2 = A1, typename T = double>
 class RangeFactor : public ExpressionFactorN<T, A1, A2> {
@@ -96,7 +96,7 @@ struct traits<RangeFactor<A1, A2, T> >
 
 /**
  * Binary factor for a range measurement, with a transform applied
- * @addtogroup SAM
+ * @ingroup sam
  */
 template <typename A1, typename A2 = A1,
           typename T = typename Range<A1, A2>::result_type>