diff --git a/README.org b/README.org
index 575a80f..b4908f4 100755
--- a/README.org
+++ b/README.org
@@ -24,7 +24,7 @@ Emacs is free software project with many years of development and a very active
   - Listen music and watch videos
   - Many more...
 
-* Contents
+** Contents
 
   * [[./doc/init_emacs.org][How to initialize emacs]]
   * [[./doc/help.org][Find manuals and help to use emacs]]
@@ -44,12 +44,12 @@ Emacs is free software project with many years of development and a very active
   * [[./doc/ledger.org][Using ledger in emacs]]
   * [[./doc/compile.org][Compiling emacs in GNU linux]]
   * [[./doc/org_images.org][Including images in org files]]
-    
-* Contenido
+
+** Contenido
 
  * [[./spa/porque_usar_emacs.org][Una breve introducción al uso de emacs]]
 
-* Contact
+** Contact
 
 [[https://www.onecluster.org/][Onecluster]] is a community of people who enjoy learning and sharing experiencies about free-software {libre as in freedom}.
 
diff --git a/doc/dired.org b/doc/dired.org
index 58fd8ac..b66d8fb 100755
--- a/doc/dired.org
+++ b/doc/dired.org
@@ -34,7 +34,7 @@ This includes all temporary files in dired
 - To copy files use "C" over the file you want to copy
 - Convert files or directories to lower (~%l~) or upper case (~%u~)
 
-* Tips
+** Tips
 
  * 'f11' toggle full screen mode the current frame
  * ibuffer kill multiple buffers
@@ -45,4 +45,6 @@ and kill with "D"
    * You can temporarily switch back to the "normal" minibuffer behaviour by hitting C-f.
      Then you can tab-complete the old filename, and edit it as needed.
    * From [[https://stackoverflow.com/questions/23741014/how-to-stop-auto-complete-from-overwriting-a-file-that-is-similarly-named][Stackoverflow]]
- * To use ~nano~ editor within emacs use 'CTRL+shift+x' instead of 'CTRL+X'
+ * To use ~nano~ editor within emacs use:
+   * 'CTRL + shift + o' instead of 'CTRL+o' to save changes
+   *  ESC + ESC + x to close ~nano~