diff --git a/Plugins/Flow.Launcher.Plugin.Program/Programs/Win32.cs b/Plugins/Flow.Launcher.Plugin.Program/Programs/Win32.cs
index 5a3295c38..52673cc1d 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/Programs/Win32.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/Programs/Win32.cs
@@ -370,6 +370,7 @@ namespace Flow.Launcher.Plugin.Program.Programs
 
         private static IEnumerable<Win32> UnregisteredPrograms(List<ProgramSource> sources, string[] suffixes, string[] protocols)
         {
+            // Disabled custom sources are not in DisabledProgramSources
             var paths = ExceptDisabledSource(sources.Where(s => Directory.Exists(s.Location) && s.Enabled)
                     .AsParallel()
                     .SelectMany(s => ProgramPaths(s.Location, suffixes)))
diff --git a/Plugins/Flow.Launcher.Plugin.Program/Settings.cs b/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
index 44d4483b9..fb28c1cf2 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
@@ -9,7 +9,15 @@ namespace Flow.Launcher.Plugin.Program
     public class Settings
     {
         public DateTime LastIndexTime { get; set; }
+
+        /// <summary>
+        /// User-added program sources' directories
+        /// </summary>
         public List<ProgramSource> ProgramSources { get; set; } = new List<ProgramSource>();
+
+        /// <summary>
+        /// Disabled single programs, not including User-added directories
+        /// </summary>
         public List<ProgramSource> DisabledProgramSources { get; set; } = new List<ProgramSource>();
 
         [Obsolete, JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]