corrected error in username and password format detail

pages/create-an-ecloud-account.md

@@ -39,7 +39,7 @@ toc: true
 ### Creating your own /e/ account @e.email
 
 * Fill the fields correctly ! This example will create an /e/ identity as John Doe <john.doe@e.email>
-* Do not use special characters or upper case alphabets in your username or password
+* Do not use special characters in your username or password
 
 ![](images/your-e-id.png)