Update README.md

README.md

@@ -9,11 +9,19 @@ You need *xeyes* program.
 Clone this project and run :
 ```
 cd src
-python xeyes_sentences your_sentence
+python xeyes_sentences your_sentence [size]
 cd ..
 ./xeyes_sentences.sh
 ```
 
+Parameters :
+* your_sentence : [a-zA-Z!?]
+* [optional] size : 25 by default
+
 NB1 : you may need the execution right to run the script `chmod +x xeyes_sentences.sh`
 
-NB2 : to clear the sentence, just run `pkill xeyes`
\ No newline at end of file
+NB2 : to clear the sentence, just run `pkill xeyes`
+
+## Work in progress...
+Currently, this program is just able to print the sentence into a single line without handle the overflow. This should be fixed shortly.
+