diff --git a/components/config/definition.rst b/components/config/definition.rst
index bc401b84d22..7f69eee6eae 100644
--- a/components/config/definition.rst
+++ b/components/config/definition.rst
@@ -1,11 +1,11 @@
 .. index::
-   single: Config; Define and process configuration values
+   single: Config; Defining and processing configuration values
 
-Define and process configuration values
-=======================================
+Defining and processing configuration values
+============================================
 
-Validate configuration values
------------------------------
+Validating configuration values
+-------------------------------
 
 After loading configuration values from all kinds of resources, the values
 and their structure can be validated using the "Definition" part of the Config
@@ -38,8 +38,8 @@ they are when first encountered. Also, some keys are only available when
 another key has a specific value (in the sample configuration above: the
 ``memory`` key only makes sense when the ``driver`` is ``sqlite``).
 
-Define a hierarchy of configuration values using the TreeBuilder
-----------------------------------------------------------------
+Defining a hierarchy of configuration values using the TreeBuilder
+------------------------------------------------------------------
 
 All the rules concerning configuration values can be defined using the
 :class:`Symfony\\Component\\Config\\Definition\\Builder\\TreeBuilder`.
@@ -66,8 +66,8 @@ should be returned from a custom ``Configuration`` class which implements the
         }
     }
 
-Add node definitions to the tree
---------------------------------
+Adding node definitions to the tree
+-----------------------------------
 
 Variable nodes
 ~~~~~~~~~~~~~~
diff --git a/components/console/single_command_tool.rst b/components/console/single_command_tool.rst
index ba3cceffbf9..813096b9a0c 100644
--- a/components/console/single_command_tool.rst
+++ b/components/console/single_command_tool.rst
@@ -1,8 +1,8 @@
 .. index::
    single: Console; Single command application
 
-How to build an Application that is a single Command
-====================================================
+Building a Single Command Application
+=====================================
 
 When building a command line tool, you may not need to provide several commands.
 In such case, having to pass the command name each time is tedious. Fortunately,