[planner] Correct the User Guide concerning the command line.

[Alexandre Franke <afranke src gnome org>]

commit cb155cfed7836a25c974dbdd2a4c67413488b731
Author: Ahmed Baïzid <ahmed baizid org>
Date:   Sun Jan 18 20:57:58 2015 +0100

    Correct the User Guide concerning the command line.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679714

 docs/user-guide/C/planner.xml |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)
---
diff --git a/docs/user-guide/C/planner.xml b/docs/user-guide/C/planner.xml
index 89827aa..227a885 100644
--- a/docs/user-guide/C/planner.xml
+++ b/docs/user-guide/C/planner.xml
@@ -487,13 +487,12 @@
        <varlistentry>
                <term>Command line</term>
                <listitem>
-               <para>To start <application>&app;</application> from a command line,
-                type the following command, then press <keycap>Return</keycap>:</para>
-               <para> 
-                       <command>&cmd;</command> 
-               </para> 
-               <para> there are no command line parameters at this time.
-               </para> 
+            <para>To start <application>&app;</application> from a command line,
+type <command>&cmd;</command>, then press <keycap>Return</keycap>.</para>
+            <tip>
+              <para>To view available command line options,
+type <command>&cmd; --help</command>, then press <keycap>Return</keycap>.</para>
+            </tip>
                </listitem>
        </varlistentry>
     </variablelist>