correct docs

Author: facontidavide

docs/asynchronous_nodes.md

@@ -177,9 +177,10 @@ class BadSleepNode : public BT::AsyncActionNode
         return NodeStatus::SUCCESS;
      }
 
-    // The halt() method can not kill the spawned thread :()
-    // void halt(); 
-    }
+    // The halt() method can not kill the spawned thread :(
+
+    // Keep in mind that most of the time we should not
+    // override AsyncActionNode::halt()
 };
 ```
 

docs/getting_started.md

@@ -44,8 +44,7 @@ Alternatively, the library provides a mechanism to create a TreeNode passing a
 __function pointer__ to a wrapper (dependency injection).
 
 This approach reduces the amount of boilerplate in your code; as a reference
-please look at the [first tutorial](tutorial_01_first_tree.md) and the one
-describing [non intrusive integration with legacy code](tutorial_07_legacy.md).
+please look at the [first tutorial](tutorial_01_first_tree.md).
 
 ## Dataflow, Ports and Blackboard
 

docs/tutorial_07_multiple_xml.md

@@ -8,7 +8,7 @@ If multiple Subtrees were used, they were all included into the same XML.
 In recent version of BT.CPP (3.7+), the user can more easily
 load trees from multiple files, if needed.
 
-## Using the \<include\> tag
+## Load multiple files with "include"
 
 We will consider a main tree that invoke 2 different subtrees.
 
@@ -56,7 +56,7 @@ We need to create the tree as usual:
 factory.createTreeFromFile("main_tree.xml")
 ```
 
-## Load multiple files without \<include\>
+## Load multiple files manually
 
 If we don't want to add relative and hard-coded paths into our XML,
 or if we want to instantiate a subtree instead of the main tree, there is a

mkdocs.yml

@@ -48,7 +48,7 @@ nav:
       - "Tutorial 4: Reactive Trees":          tutorial_04_sequence.md
       - "Tutorial 5: Subtrees and Loggers":    tutorial_05_subtrees.md
       - "Tutorial 6: Ports remapping":         tutorial_06_subtree_ports.md
-      - "Tutorial 7: Load from multiple XMLs": tutorial_07_multiple_xml.md
+      - "Tutorial 7: Load multiple XMLs":      tutorial_07_multiple_xml.md
       - "Tutorial 8: Additional arguments":    tutorial_08_additional_args.md
       - "Tutorial 9: Coroutines":              tutorial_09_coroutines.md