Use title case

javiereguiluz · javiereguiluz · commit e973b25ea969 · 2019-12-16T16:07:30.000+01:00
diff --git a/performance.rst b/performance.rst
@@ -36,7 +36,7 @@ features, such as the APCu Cache adapter.
 
 .. _performance-service-container-single-file:
 
-Dump the service container into a single file
+Dump the Service Container into a Single File
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. versionadded:: 4.4
