Normalize "Commentary" section in eudc.el

* lisp/net/eudc.el: Normalize "Commentary" section to make
'M-x describe-package RET eudc RET' more useful.

lisp/net/eudc.el

@@ -23,6 +23,7 @@
 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; Commentary:
+
 ;; This package provides a common interface to query directory servers using
 ;; different protocols such as LDAP, CCSO PH/QI or BBDB.  Queries can be
 ;; made through an interactive form or inline.  Inline query strings in
@@ -30,9 +31,10 @@
 ;; (especially used to expand email addresses in message buffers).  EUDC
 ;; also interfaces with the BBDB package to let you register query results
 ;; into your own BBDB database.
-
-;;; Usage:
-;;    EUDC comes with an extensive documentation, please refer to it.
+;;
+;; Usage:
+;;
+;; EUDC comes with extensive documentation, please refer to it.
 ;;
 ;; The main entry points of EUDC are:
 ;;   `eudc-query-form': Query a directory server from a query form