[gcompris] mining: minor: add line about tutorial to manual

[Bruno Coudoin <bcoudoin src gnome org>]

commit 6069786b1c20210cfff8f6961932bc2da14535dc
Author: Peter Albrecht <pa-dev gmx de>
Date:   Tue Sep 25 14:37:56 2012 +0200

    mining: minor: add line about tutorial to manual

 src/mining-activity/mining.xml.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/mining-activity/mining.xml.in b/src/mining-activity/mining.xml.in
index 933a457..b00dcbe 100644
--- a/src/mining-activity/mining.xml.in
+++ b/src/mining-activity/mining.xml.in
@@ -19,6 +19,8 @@ Having collected the nugget, use the mousewheel to zoom out again. If you zoomed
 
 The lorry in the lower, right corner of the screen will tell you the number of already collected nuggets and the total number of nuggets to collect in this level.
 
+To start the tutorial, click on professor tux (available at level 1) and let him show you, what to do next.
+
 Have fun! :)</_manual>
         <_credit xml:space="preserve">Thanks to the Tuxpaint team for providing the following sounds under GPL:
 - realrainbow.ogg - used when a new gold nugget appears