diff --git a/ILSpy/Metadata/MetadataTreeNode.cs b/ILSpy/Metadata/MetadataTreeNode.cs
index a56856254..b82a38eb1 100644
--- a/ILSpy/Metadata/MetadataTreeNode.cs
+++ b/ILSpy/Metadata/MetadataTreeNode.cs
@@ -45,7 +45,7 @@ namespace ICSharpCode.ILSpy.Metadata
 
 		public override object Text => title;
 
-		public override object NavigationText => metadataFile.Name + " " + Text;
+		public override object NavigationText => $"{Text} ({metadataFile.Name})";
 
 		public override object Icon => Images.Metadata;
 
diff --git a/ILSpy/TreeNodes/BaseTypesTreeNode.cs b/ILSpy/TreeNodes/BaseTypesTreeNode.cs
index f0726b432..d19184ffa 100644
--- a/ILSpy/TreeNodes/BaseTypesTreeNode.cs
+++ b/ILSpy/TreeNodes/BaseTypesTreeNode.cs
@@ -46,7 +46,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override object Text => Properties.Resources.BaseTypes;
 
-		public override object NavigationText => this.Language.TypeToString(type, includeNamespace: true) + " " + Text;
+		public override object NavigationText => $"{Text} ({this.Language.TypeToString(type, includeNamespace: true)})";
 
 		public override object Icon => Images.SuperTypes;
 
diff --git a/ILSpy/TreeNodes/DerivedTypesTreeNode.cs b/ILSpy/TreeNodes/DerivedTypesTreeNode.cs
index 5166f0758..8e67a171e 100644
--- a/ILSpy/TreeNodes/DerivedTypesTreeNode.cs
+++ b/ILSpy/TreeNodes/DerivedTypesTreeNode.cs
@@ -47,7 +47,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override object Text => Resources.DerivedTypes;
 
-		public override object NavigationText => this.Language.TypeToString(type, includeNamespace: true) + " " + Text;
+		public override object NavigationText => $"{Text} ({this.Language.TypeToString(type, includeNamespace: true)})";
 
 		public override object Icon => Images.SubTypes;
 
diff --git a/ILSpy/TreeNodes/ReferenceFolderTreeNode.cs b/ILSpy/TreeNodes/ReferenceFolderTreeNode.cs
index b449801a6..87e72296d 100644
--- a/ILSpy/TreeNodes/ReferenceFolderTreeNode.cs
+++ b/ILSpy/TreeNodes/ReferenceFolderTreeNode.cs
@@ -44,7 +44,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override object Text => Resources.References;
 
-		public override object NavigationText => module.Name + " " + Text;
+		public override object NavigationText => $"{Text} ({module.Name})";
 
 		public override object Icon => Images.ReferenceFolder;
 
diff --git a/ILSpy/TreeNodes/ResourceListTreeNode.cs b/ILSpy/TreeNodes/ResourceListTreeNode.cs
index f461cf906..174652817 100644
--- a/ILSpy/TreeNodes/ResourceListTreeNode.cs
+++ b/ILSpy/TreeNodes/ResourceListTreeNode.cs
@@ -41,7 +41,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override object Text => Resources._Resources;
 
-		public override object NavigationText => module.Name + " " + Text;
+		public override object NavigationText => $"{Text} ({module.Name})";
 
 		public override object Icon => Images.FolderClosed;