Update README.md

README.md

@@ -14,14 +14,14 @@ First follow https://allgo.inria.fr/users/sign_up to create an account on AllGo
 
 ## Usage 
 
-###Create a app : 
+### Create a app : 
 ``` 
   app = allgo.App('ndsafir', token="ead123baaef55412") 
 ```
 
 NB: token in optional, if you already provide your token with an env variable ALLGO_TOKEN or create a file ~/.allgo_token (without breakline)
 
-###Submit a job : 
+### Submit a job : 
 
 ```
   files = {'files[0]': open('tmp.png', 'rb')}