diff --git a/BlazorOpenApi/BlazorOpenApi.csproj b/BlazorOpenApi/BlazorOpenApi.csproj
index 08dfbab..7ed649b 100644
--- a/BlazorOpenApi/BlazorOpenApi.csproj
+++ b/BlazorOpenApi/BlazorOpenApi.csproj
@@ -17,8 +17,9 @@
     <PackageReference Include="System.Text.Json" />
   </ItemGroup>
 
-	<ItemGroup>
-		<None Include="README.md" Pack="true" PackagePath="\"/>
-	</ItemGroup>
+    <ItemGroup>
+        <None Include="../README.md" Pack="true" PackagePath="\"/>
+        <None Include="../docs/**" Pack="true" PackagePath="\docs\"/>
+    </ItemGroup>
 
 </Project>
diff --git a/BlazorOpenApi/Controls/ExampleDataGeneratorControl.razor b/BlazorOpenApi/Controls/ExampleDataGeneratorControl.razor
index 9adb5bb..17a161f 100644
--- a/BlazorOpenApi/Controls/ExampleDataGeneratorControl.razor
+++ b/BlazorOpenApi/Controls/ExampleDataGeneratorControl.razor
@@ -54,7 +54,9 @@
             }
             else
             {
-                exampleData[parameter.Name] = GenerateExampleFromSchema(parameter.Schema);
+                var ex = GenerateExampleFromSchema(parameter.Schema);
+                if (ex != null)
+                    exampleData[parameter.Name] = ex;
             }
         }
 
diff --git a/BlazorOpenApi/TableOfContentsTree.cs b/BlazorOpenApi/TableOfContentsTree.cs
index 999b2bd..6029aa3 100644
--- a/BlazorOpenApi/TableOfContentsTree.cs
+++ b/BlazorOpenApi/TableOfContentsTree.cs
@@ -9,7 +9,7 @@ internal class TableOfContentsTree : ITableOfContentsTree
     private readonly Dictionary<string, TocTreeNode> _nodes = new();
     private readonly List<string> _order = new();
 
-    public event EventHandler Changed;
+    public event EventHandler? Changed;
 
     public void Clear()
     {
diff --git a/README.md b/README.md
index 67a95e1..ed8a83b 100644
--- a/README.md
+++ b/README.md
@@ -9,9 +9,9 @@ It is a pure Blazor implementation.
 
 ## Screenshots
 
-[Light mode](docs/light.png)
-[Dark mode](docs/dark.png)
-[Examples generation](docs/example-data.png)]
+![Light mode](docs/light.png){ width=250px }
+![Dark mode](docs/dark.png){ width=250px }
+![Examples generation](docs/example-data.png)]{ width=250px }
 
 ## Installation