[kupfer] Fix spelling error in man page

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 93b013db8048fff505dd9c722fee5dd83179a78c
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Wed May 12 10:59:05 2010 +0200

    Fix spelling error in man page

 Documentation/Quickstart.rst |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Documentation/Quickstart.rst b/Documentation/Quickstart.rst
index 77ae6f5..06ecd42 100644
--- a/Documentation/Quickstart.rst
+++ b/Documentation/Quickstart.rst
@@ -29,7 +29,7 @@ implementation is simple and makes the easy things work first. One goal
 is that new plugins can be written quickly without too much programming.
 
 ``kupfer-exec`` is a helper script that can execute commands saved to
-file, but only by connecting to an already running instace of Kupfer.
+file, but only by connecting to an already running instance of Kupfer.
 
 SPAWNING
 ========