diff --git a/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs b/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
similarity index 57%
rename from 01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs
rename to 01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
index d96334a..a65ee42 100644
--- a/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs
+++ b/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
@@ -6,8 +6,9 @@ namespace JetBrains.ReSharper.Koans.Navigation
     //
     // Shows a popup menu of recent edits. Shows code blocks, not files
     //
-    // <shortcut id="Recently Changed Files">Ctrl+Shift+, (VS)</shortcut>
-    // 
+    // <shortcut id="View Recent Edits">Ctrl+Shift+, (ReSharper VisualStudio Keymap)</shortcut>
+    // <shortcut id="Recent Locations" >Ctrl+Shift+E (Rider Default IntelliJ Keymap)</shortcut>
+    //
 
     public class RecentEdits
     {
@@ -23,6 +24,8 @@ public RecentEdits(string firstName, string lastName)
         private string GetName()
         {
             // 1. Implement GetName by returning firstName
+            //    Uncomment the following and comment Exception line
+            // return firstName;
             throw new NotImplementedException();
         }
 
@@ -32,8 +35,14 @@ public void Dump()
             // Console.WriteLine("Name: {0}", GetName());
 
             // 3. Return to GetName using Recent Edits and change to be firstName + lastName
+            // <shortcut id="View Recent Edits">Ctrl+Shift+, (ReSharper VisualStudio Keymap)</shortcut>
+            // <shortcut id="Recent Locations" >Ctrl+Shift+E (Rider Default IntelliJ Keymap)</shortcut>
+
             // 4. Return back here and uncomment the following
+            //     NOTE: There is no great significance to this implementation.
+            //           It is content to let you experience the feel
+            //           of the navigation controls.
             // Console.WriteLine("Done");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs b/localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
similarity index 90%
rename from localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs
rename to localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
index 37a4b06..5d53210 100644
--- a/localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recently_changed_files.cs
+++ b/localized/ja/01-Navigation/3-Navigate_to_somewhere_youve_already_been/3.3-Recent_edits.cs
@@ -4,15 +4,14 @@ namespace JetBrains.ReSharper.Koans.Navigation
 {
     // 最近編集した場所にに移動する方法を試してみます。
     //
-    //TODO: ReSharperで最近の編集表示機能 (View Recent Edits) が動作しない (ReSharper 2021.1 on VisualStudio2019)
-    //TODO: rename file name 3.3-Recently_changed_files.cs -> 3.3-Recent_edits.cs
+    //TODO: ReSharperで最近の編集表示機能 (View Recent Edits) ショートカットキーに割り当たらず動作しない (ReSharper 2021.1 on VisualStudio2019)
     //
     // 最近の編集箇所と内容をポップアップメニューで表示出来ます。
     // ファイルではなくコードブロックが表示出来ます。
     //
     // <shortcut id="View Recent Edits">Ctrl+Shift+, (ReSharper VisualStudio Keymap)</shortcut>
     // <shortcut id="Recent Locations" >Ctrl+Shift+E (Rider Default IntelliJ Keymap)</shortcut>
-    // 
+    //
 
     public class RecentEdits
     {
@@ -29,7 +28,7 @@ private string GetName()
         {
             // 1. firstName を返す GetName を実装してください。
             //    コメントを外して Exception の行はコメントアウトしてください。
-            // return firstName; 
+            // return firstName;
             throw new NotImplementedException();
         }
 
@@ -47,4 +46,4 @@ public void Dump()
             // Console.WriteLine("Done");
         }
     }
-}
\ No newline at end of file
+}