diff --git a/docs/index.md b/docs/index.md
index 1637184f4..b13a0826a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -64,7 +64,7 @@ GCS <tutorials/data_sources/load_from_gcs_tutorial>
 Amazon S3 <tutorials/data_sources/load_from_s3_tutorial>
 ```
 
-``` {toctree}
+```{toctree}
 :maxdepth: 1
 :hidden:
 :caption: Dataset
@@ -72,6 +72,7 @@ Basics <tutorials/dataset_basic_tutorial>
 Advanced usage <tutorials/dataset_advanced_tutorial>
 Transformations <./grain.dataset>
 Performance debugging <tutorials/dataset_debugging_tutorial>
+Performance autotuning <performance/autotuning>
 ```
 
 ``` {toctree}
@@ -91,10 +92,10 @@ grain
 changelog
 ```
 
-``` {toctree}
+```{toctree}
 :maxdepth: 1
 :hidden:
 :caption: For contributors
 behind_the_scenes
 CONTRIBUTING
-```
\ No newline at end of file
+```