Update 'Readme.md'

Readme.md

@@ -27,4 +27,29 @@ When you run at first time Emacs, we have to check that configuration is Ok, and
 
 Then, the first time starting Emacs will take come time to install all the requiered packages. Then, most propably some warnings about the fonts and icons will appear, close emacs and open it again.
 
-Then, press `M-x` and type `all-the-icons-install-fonts`, after its execution close and open agian emacs. 
+Then, press `M-x` and type `all-the-icons-install-fonts`, after its execution close and open agian emacs. 
+
+### Spell check
+One of the most important options of emacs/terminal (GNU project), is the spell check to eneable it use the next commnads:
+
+```
+$ sudo apt install aspell
+$ sudo apt-get install aspell-es   
+```
+
+then, the aspell application must be aimed to it. First, check where your app is located:
+
+```
+$ which aspell 
+/usr/bin/aspell
+$
+```
+
+This path has to be added in the flyspell directions into the `.emac` file:
+
+```
+;;Flyspell
+ (setq ispell-program-name "/usr/bin/aspell")  <-- change this path
+ (dolist (hook '(text-mode-hook))
+   (add-hook hook (lambda () (flyspell-mode 1))))
+```