diff --git a/browser/src/CopyNumberVariantPage/CNVPopulationsTable.tsx b/browser/src/CopyNumberVariantPage/CNVPopulationsTable.tsx
index f4b3ce6e8..01bcb4a45 100644
--- a/browser/src/CopyNumberVariantPage/CNVPopulationsTable.tsx
+++ b/browser/src/CopyNumberVariantPage/CNVPopulationsTable.tsx
@@ -89,18 +89,21 @@ type CNVPopulationsTableState = any
 type CNVPopulationsTableProps = OwnPopulationsTableProps & typeof CNVPopulationsTable.defaultProps
 
 export class CNVPopulationsTable extends Component<
-  CNVPopulationsTableProps & { variant: CopyNumberVariant},
+  CNVPopulationsTableProps & { variant: CopyNumberVariant },
   CNVPopulationsTableState
 > {
   static defaultProps = {
     columnLabels: {},
     initiallyExpandRows: false,
-    variant: {}
+    variant: {},
   }
 
-  constructor(props: CNVPopulationsTableProps ) {
+  constructor(props: CNVPopulationsTableProps) {
     super(props)
 
+    // If/when we change this to a functional component, we can replace the
+    // following sorting logic and some other associated code by employing
+    // useTableSort.
     this.state = {
       sortBy: 'sf',
       sortAscending: false,
diff --git a/browser/src/MitochondrialVariantPage/MitochondrialVariantHaplogroupFrequenciesTable.tsx b/browser/src/MitochondrialVariantPage/MitochondrialVariantHaplogroupFrequenciesTable.tsx
index 85a56f609..8c82a93b1 100644
--- a/browser/src/MitochondrialVariantPage/MitochondrialVariantHaplogroupFrequenciesTable.tsx
+++ b/browser/src/MitochondrialVariantPage/MitochondrialVariantHaplogroupFrequenciesTable.tsx
@@ -51,6 +51,9 @@ class MitochondrialVariantHaplogroupFrequenciesTable extends Component<Props, St
     sortAscending: false,
   }
 
+  // If/when we change this to a functional component, we can replace the
+  // following sorting logic and some other associated code by employing
+  // useTableSort.
   setSortBy(sortBy: any) {
     this.setState((state: any) => ({
       sortBy,
diff --git a/browser/src/VariantPage/PopulationsTable.tsx b/browser/src/VariantPage/PopulationsTable.tsx
index 479a66818..f5835c0d5 100644
--- a/browser/src/VariantPage/PopulationsTable.tsx
+++ b/browser/src/VariantPage/PopulationsTable.tsx
@@ -117,6 +117,9 @@ export class PopulationsTable extends Component<PopulationsTableProps, Populatio
   constructor(props: PopulationsTableProps) {
     super(props)
 
+    // If/when we change this to a functional component, we can replace the
+    // following sorting logic and some other associated code by employing
+    // useTableSort.
     this.state = {
       sortBy: 'af',
       sortAscending: false,