[orca] Fix nit in debugging line

[Joanmarie Diggs <joanied src gnome org>]

commit d071994d24c1f65d760d2b3b0e28bdd337bc68b3
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sun Dec 6 16:26:49 2015 +0100

    Fix nit in debugging line

 src/orca/script_utilities.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 9747ecd..a0e7fa8 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -861,7 +861,7 @@ class Utilities:
                 app = obj.getApplication()
             if app == orca_state.activeScript.app:
                 return True, "Verbosity is app"
-            return False, "App % is not %s" % (app, orca_state.activeScript.app)
+            return False, "App %s is not %s" % (app, orca_state.activeScript.app)
 
         return True, "Not handled by any other case"