[doc] fix typos

doc/user/faq.rst

@@ -284,10 +284,10 @@ My account got blocked for various reasons, how do I unblock it?
 
 The procedure for re-activating your account is the following:
 
-* Go to the `sign in`_ page. and follow the ``reactivation`` process or directly click on
+* Go to the `sign in`_ page and follow the ``reactivation`` process or directly click on
 the following link to `reactivate an account`_.
 
-* Fill up the form: username, password (the ones used when creating your valid profile),
+* Fill up the form: username, password (the ones used when your created your profile),
 and supervisor username: any supervisor registered on the |project| platform (note that it should
 be someone willing to supervise you). If you need a supervisor, please refer to the paragraph above.
 
@@ -302,7 +302,7 @@ request after a week.
 
 
 How do I become a supervisor on the |project| platform?
------------------------------------------------------------------
+-------------------------------------------------------
 
 As stated above, a supervisor ensures that his supervisees belong to a research group and follow
 the |project| platform terms of use.