[gnome-chess] Fix typo in documentation

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a5e3ecc91b877efaad7a809d2dc700f85ef9c291
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Wed Apr 1 00:50:48 2015 +0200

    Fix typo in documentation
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747144

 help/C/index.docbook |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/C/index.docbook b/help/C/index.docbook
index 46a9983..8bfb89a 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -104,7 +104,7 @@
 
     <releaseinfo>This manual describes version &appversion; of &appname;.
     </releaseinfo>
-    <!-- The following feedback information only applies to appliactions
+    <!-- The following feedback information only applies to applications
     listed in bugzilla.gnome.org and bugzilla.ximian.com. For other
     applications, please provide your own feedback info or remove thsi
     section altogether -->
@@ -507,7 +507,7 @@ A stalemate is a position in which the player whose turn it is to move has no le
 </sect3>
 
 <sect3 id="threefold-repetition">
-<title>Threefold repetetion</title>
+<title>Threefold repetition</title>
 <para>
 The game is drawn if the same position occurs three times with the same player to move, and with each player 
having the same set of legal moves each time (the latter includes the right to take en passant and the right 
to castle).
 </para>