[glade] help: Use correct tag when referring to Palette

[Andre Klapper <aklapper src gnome org>]

commit 6eff02bdb14495166088df6ef05bf78155190ed2
Author: Sebastian Rasmussen <sebras gmail com>
Date:   Sun Mar 6 23:47:13 2016 +0100

    help: Use correct tag when referring to Palette
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=763188

 help/C/index.docbook |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/index.docbook b/help/C/index.docbook
index 4f0973b..327ec4e 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -338,7 +338,7 @@ place a widget, the mode returns to
                                   To use top level placement mode, select a
 defined top-level
                                   widget in the
-<application>Palette</application> window. When you select a top-level
+<guilabel>Palette</guilabel> window. When you select a top-level
                                   widget in the 
                                   <guilabel>Palette</guilabel> window, the
 widget appears