diff --git a/src/SparseTransform.CLI/CLIOptions/PartitionOptions.cs b/src/SparseTransform.CLI/CLIOptions/PartitionOptions.cs
index 6311d48abc6d0be65359881e0d7fba11e8227392..f98fc6423289adef983de8579262b255821dd6c7 100644
--- a/src/SparseTransform.CLI/CLIOptions/PartitionOptions.cs
+++ b/src/SparseTransform.CLI/CLIOptions/PartitionOptions.cs
@@ -2,7 +2,10 @@ using System;
 using CommandLine;
 
 namespace CLIOptions;
-[Verb("Partition", HelpText = "Partitions MatrixMarket String")]
+/// <summary>
+/// CLI options for the `partition` command.
+/// </summary>
+[Verb("partition", HelpText = "Partitions MatrixMarket String")]
 public class PartitionOptions
 {
     [Option("input", Required = true, HelpText = "Path to the file containing the MatrixMarket string to read.")]
diff --git a/src/SparseTransform.CLI/Formats.cs b/src/SparseTransform.CLI/Formats.cs
index d11643a00eaa4b8183cd058a1ac1dd35d91a9fa0..831b979abb8e885f1e8351536db90c8045d75924 100644
--- a/src/SparseTransform.CLI/Formats.cs
+++ b/src/SparseTransform.CLI/Formats.cs
@@ -1,5 +1,8 @@
 using System;
 
+/// <summary>
+/// Permitted values for Format CLI option. Checked in Program.
+/// </summary>
 public static class Formats
 {
     public static readonly String ColoredDot = "dot";