diff --git a/gtsam/hybrid/HybridBayesTree.cpp b/gtsam/hybrid/HybridBayesTree.cpp
index c9c6afa79..b706fb745 100644
--- a/gtsam/hybrid/HybridBayesTree.cpp
+++ b/gtsam/hybrid/HybridBayesTree.cpp
@@ -14,7 +14,7 @@
  * @brief   Hybrid Bayes Tree, the result of eliminating a
  * HybridJunctionTree
  * @date Mar 11, 2022
- * @author  Fan Jiang
+ * @author  Fan Jiang, Varun Agrawal
  */
 
 #include <gtsam/base/treeTraversal-inst.h>
@@ -166,8 +166,6 @@ void HybridBayesTree::prune(const size_t maxNrLeaves) {
 
   DecisionTreeFactor prunedDecisionTree = decisionTree->prune(maxNrLeaves);
   decisionTree->root_ = prunedDecisionTree.root_;
-  // this->print();
-  // decisionTree->print("", DefaultKeyFormatter);
 
   /// Helper struct for pruning the hybrid bayes tree.
   struct HybridPrunerData {
diff --git a/gtsam/hybrid/HybridGaussianFactorGraph.cpp b/gtsam/hybrid/HybridGaussianFactorGraph.cpp
index 5c18a94b5..c8707a586 100644
--- a/gtsam/hybrid/HybridGaussianFactorGraph.cpp
+++ b/gtsam/hybrid/HybridGaussianFactorGraph.cpp
@@ -92,7 +92,6 @@ GaussianMixtureFactor::Sum sumFrontals(
       if (auto cgmf = boost::dynamic_pointer_cast<GaussianMixtureFactor>(f)) {
         sum = cgmf->add(sum);
       }
-
       if (auto gm = boost::dynamic_pointer_cast<HybridConditional>(f)) {
         sum = gm->asMixture()->add(sum);
       }
@@ -189,7 +188,7 @@ hybridElimination(const HybridGaussianFactorGraph &factors,
   DiscreteKeys discreteSeparator(discreteSeparatorSet.begin(),
                                  discreteSeparatorSet.end());
 
-  // sum out frontals, this is the factor on the separator
+  // sum out frontals, this is the factor 𝜏 on the separator
   GaussianMixtureFactor::Sum sum = sumFrontals(factors);
 
   // If a tree leaf contains nullptr,