retitle dispatcher tutorial

Basil Hosmer · Basil Hosmer · commit 8b584761f70d · 2020-09-25T23:35:20.000-07:00
diff --git a/advanced_source/dispatcher.rst b/advanced_source/dispatcher.rst
@@ -1,5 +1,5 @@
-Dispatcher in C++
-=================
+Registering a Dispatched Operator in C++
+========================================
 
 The dispatcher is an internal component of PyTorch which is responsible for
 figuring out what code should actually get run when you call a function like
