[gnome-devel-docs] platform-demos: Fix a typo

[Andre Klapper <aklapper src gnome org>]

commit bad613765ab73050bc34f0e7e3b325c2349e4aa7
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Mar 1 17:30:18 2019 +0100

    platform-demos: Fix a typo

 platform-demos/C/spinner.py.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/platform-demos/C/spinner.py.page b/platform-demos/C/spinner.py.page
index 07bfcd54..e212b187 100644
--- a/platform-demos/C/spinner.py.page
+++ b/platform-demos/C/spinner.py.page
@@ -31,7 +31,7 @@
   <code mime="text/x-python" style="numbered"><xi:include href="samples/spinner.py" 
parse="text"><xi:fallback/></xi:include></code>
 
   <note><p>
-    <code>Gdk.keyval_name(event.keyval)</code> converts the key value <code>event.keyval</code> into a 
symbolic name. The names and corresponding key values can be found <link 
href="http://git.gnome.org/browse/gtk+/tree/gdk/gdkkeysyms.h";>here</link>,but for instance 
<code>GDK_KEY_BackSpace</code> becomes the string <code>"BackSpace"</code>.
+    <code>Gdk.keyval_name(event.keyval)</code> converts the key value <code>event.keyval</code> into a 
symbolic name. The names and corresponding key values can be found <link 
href="http://git.gnome.org/browse/gtk+/tree/gdk/gdkkeysyms.h";>here</link>, but for instance 
<code>GDK_KEY_BackSpace</code> becomes the string <code>"BackSpace"</code>.
   </p></note>
   </section>