diff --git a/docs/Performance and tuning/Async Write.rst b/docs/Performance and Tuning/Async Write.rst
similarity index 100%
rename from docs/Performance and tuning/Async Write.rst
rename to docs/Performance and Tuning/Async Write.rst
diff --git a/docs/Performance and tuning/ZFS Transaction Delay.rst b/docs/Performance and Tuning/ZFS Transaction Delay.rst
similarity index 100%
rename from docs/Performance and tuning/ZFS Transaction Delay.rst
rename to docs/Performance and Tuning/ZFS Transaction Delay.rst
diff --git a/docs/Performance and tuning/ZFS on Linux Module Parameters.rst b/docs/Performance and Tuning/ZFS on Linux Module Parameters.rst
similarity index 100%
rename from docs/Performance and tuning/ZFS on Linux Module Parameters.rst
rename to docs/Performance and Tuning/ZFS on Linux Module Parameters.rst
diff --git a/docs/Performance and tuning/ZIO Scheduler.rst b/docs/Performance and Tuning/ZIO Scheduler.rst
similarity index 100%
rename from docs/Performance and tuning/ZIO Scheduler.rst
rename to docs/Performance and Tuning/ZIO Scheduler.rst
diff --git a/docs/Performance and tuning/index.rst b/docs/Performance and Tuning/index.rst
similarity index 75%
rename from docs/Performance and tuning/index.rst
rename to docs/Performance and Tuning/index.rst
index f8704c5..1d1479b 100644
--- a/docs/Performance and tuning/index.rst	
+++ b/docs/Performance and Tuning/index.rst	
@@ -1,4 +1,4 @@
-Performance and tuning
+Performance and Tuning
 ======================
 
 .. toctree::
@@ -6,4 +6,4 @@ Performance and tuning
    :caption: Contents:
    :glob:
 
-   *
\ No newline at end of file
+   *
diff --git a/docs/_TableOfContents.rst b/docs/_TableOfContents.rst
index 464114f..31381aa 100644
--- a/docs/_TableOfContents.rst
+++ b/docs/_TableOfContents.rst
@@ -5,6 +5,6 @@
    Getting Started/index
    Project and Community/index
    Developer Resources/index
-   Performance and tuning/index
+   Performance and Tuning/index
    Basic Concepts/index
    License