diff --git a/toc.yml b/toc.yml
index 5f7e51b0c4b85..79ac8136275af 100644
--- a/toc.yml
+++ b/toc.yml
@@ -77,6 +77,12 @@
       - name: File and Stream I/O
         tocHref: /dotnet/standard/io/
         topicHref: /dotnet/standard/io/index
+      - name: Memory and span-related types
+        tocHref: /dotnet/standard/memory-and-spans/
+        topicHref: /dotnet/standard/memory-and-spans/index
+      - name: Native interoperability
+        tocHref: /dotnet/standard/native-interop/
+        topicHref: /dotnet/standard/native-interop/index
       - name: Parallel Programming in .NET
         tocHref: /dotnet/standard/parallel-programming/
         topicHref: /dotnet/standard/parallel-programming/index