diff --git a/Flow.Launcher.Plugin/Result.cs b/Flow.Launcher.Plugin/Result.cs
index a34608454..1894e0eda 100644
--- a/Flow.Launcher.Plugin/Result.cs
+++ b/Flow.Launcher.Plugin/Result.cs
@@ -68,11 +68,20 @@ namespace Flow.Launcher.Plugin
         public string AutoCompleteText { get; set; }
 
         /// <summary>
-        /// The image to be displayed for the result.
+        /// Path or URI to the icon image for this result.
+        /// Updates <IcoPathAbsolute/> appropriately when set.
         /// </summary>
-        /// <value>Can be a local file path or a URL.</value>
         /// <remarks>
-        /// GlyphInfo is prioritized if not null</remarks>
+        /// Preferred usage: provide a path relative to the plugin directory (for example: "Images\icon.png").
+        /// Because <see cref="IcoPath"/> is serialized, using relative paths keeps the icon reference portable
+        /// when Flow is moved.
+        ///
+        /// Accepted formats:
+        /// - Relative file paths (resolved against <see cref="PluginDirectory"/> into <see cref="IcoPathAbsolute"/>)
+        /// - Absolute file paths (left as-is)
+        /// - HTTP/HTTPS URLs (left as-is)
+        /// - Data URIs (left as-is)
+        /// </remarks>
         public string IcoPath
         {
             get => _icoPath;
@@ -98,7 +107,10 @@ namespace Flow.Launcher.Plugin
         }
 
         /// <summary>
-        /// TODO COMMENT
+        /// Absolute path or URI which is used to load and display the result icon for Flow. 
+        /// This is populated by the <see cref="IcoPath"/> setter.
+        /// If a relative path was provided to <see cref="IcoPath"/>, this property will contain the resolved
+        /// absolute local path after combining with <see cref="PluginDirectory"/>.
         /// </summary>
         public string IcoPathAbsolute => _icoPathAbsolute;
 
diff --git a/Flow.Launcher/Storage/QueryHistory.cs b/Flow.Launcher/Storage/QueryHistory.cs
index 56e032c51..d25c13ca0 100644
--- a/Flow.Launcher/Storage/QueryHistory.cs
+++ b/Flow.Launcher/Storage/QueryHistory.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.Json.Serialization;
@@ -20,6 +20,11 @@ namespace Flow.Launcher.Storage
 
         private readonly int _maxHistory = 300;
 
+        /// <summary>
+        /// Migrate legacy history data (stored in <see cref="Items"/>) into the new
+        /// <see cref="LastOpenedHistoryResult"/> format and append them to
+        /// <see cref="LastOpenedHistoryItems"/>.
+        /// </summary>
         public void PopulateHistoryFromLegacyHistory()
         {
             if (Items.Count == 0) return;
@@ -78,6 +83,10 @@ namespace Flow.Launcher.Storage
             }
         }
 
+        /// <summary>
+        /// Attempts to find an existing <see cref="LastOpenedHistoryResult"/> in <see cref="LastOpenedHistoryItems"/>
+        /// that is considered equal to the supplied <paramref name="result"/>.
+        /// </summary>
         private bool TryGetLastOpenedHistoryResult(Result result, out LastOpenedHistoryResult historyItem)
         {
             historyItem = LastOpenedHistoryItems.FirstOrDefault(x => x.Equals(result));
@@ -85,12 +94,15 @@ namespace Flow.Launcher.Storage
         }
 
         /// <summary>
-        /// Refresh stored PluginDirectory (and optionally normalize relative ico paths)
-        /// using current plugin metadata. Call this after plugins are loaded/initialized.
+        /// Flow uses IcoPathAbsolute property to display result the icons. This refreshes the IcoPathAbsolute
+        /// property using current plugin metadata by updating the PluginDirectory property, which in turn also
+        /// updates IcoPath. This keeps the saved icon paths of results updated correctly if flow is moved around.
         /// </summary>
+        /// <remarks> Call this after plugins are loaded/initialized.</remarks>
         public void UpdateIcoPathAbsolute()
         {
-            if (LastOpenedHistoryItems.Count == 0) return;
+            if (LastOpenedHistoryItems.Count == 0)
+                return;
 
             foreach (var item in LastOpenedHistoryItems)
             {
diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index f5183d698..68ddada00 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -1372,12 +1372,23 @@ namespace Flow.Launcher.ViewModel
         }
 
         /// <summary>
-        /// TODO COMMENT- Requires the plugins to have initialized first because 
-        /// it needs the plugin directory paths for initialization
+        /// Refreshes the last-opened history storage by migrating legacy entries and
+        /// updating stored icon paths to their resolved (absolute) locations.
         /// </summary>
+        /// <remarks>
+        /// Calls <see cref="History.UpdateIcoPathAbsolute"/> to refresh absolute icon
+        /// paths on the migrated/saved history entries by updating each item's
+        /// <c>PluginDirectory</c> (which in turn resolves <c>IcoPathAbsolute</c>).
+        ///
+        /// Important:
+        /// - Plugins must be initialized (their metadata and <c>PluginDirectory</c> set)
+        ///   before calling this method; otherwise icon resolution cannot be performed.
+        /// </remarks>
         internal void RefreshLastOpenedHistoryResults()
         {
+            // TODO: remove after release v2.3.0
             _history.PopulateHistoryFromLegacyHistory();
+
             _history.UpdateIcoPathAbsolute();
         }