diff --git a/src/calibre/gui2/preferences/misc.py b/src/calibre/gui2/preferences/misc.py
index 0e9395cde0..796ff9d40f 100644
--- a/src/calibre/gui2/preferences/misc.py
+++ b/src/calibre/gui2/preferences/misc.py
@@ -35,7 +35,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         self.opt_worker_limit.setToolTip(textwrap.fill(
                 _('The maximum number of jobs that will run simultaneously in '
                     'the background. This refers to CPU intensive tasks like '
-                    ' conversion. Lower this number if '
+                    ' conversion. Lower this number'
                     ' if you want calibre to use less CPU.')))
         self.device_detection_button.clicked.connect(self.debug_device_detection)
         self.button_open_config_dir.clicked.connect(self.open_config_dir)
diff --git a/src/calibre/translations/calibre.pot b/src/calibre/translations/calibre.pot
index 1d6297bf47..972820e369 100644
--- a/src/calibre/translations/calibre.pot
+++ b/src/calibre/translations/calibre.pot
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: calibre 0.8.56\n"
-"POT-Creation-Date: 2012-06-15 08:01+IST\n"
-"PO-Revision-Date: 2012-06-15 08:01+IST\n"
+"POT-Creation-Date: 2012-06-15 12:42+IST\n"
+"PO-Revision-Date: 2012-06-15 12:42+IST\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: LANGUAGE\n"
 "MIME-Version: 1.0\n"
@@ -12701,7 +12701,7 @@ msgid "Prefer &fewer tags"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/misc.py:36
-msgid "The maximum number of jobs that will run simultaneously in the background. This refers to CPU intensive tasks like  conversion. Lower this number if  if you want calibre to use less CPU."
+msgid "The maximum number of jobs that will run simultaneously in the background. This refers to CPU intensive tasks like  conversion. Lower this number if you want calibre to use less CPU."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/misc.py:46