diff --git a/src/calibre/translations/calibre.pot b/src/calibre/translations/calibre.pot
index 61af96ac55..a452e1a770 100644
--- a/src/calibre/translations/calibre.pot
+++ b/src/calibre/translations/calibre.pot
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: calibre 0.8.9\n"
-"POT-Creation-Date: 2011-07-08 11:02+MDT\n"
-"PO-Revision-Date: 2011-07-08 11:02+MDT\n"
+"POT-Creation-Date: 2011-07-08 12:48+MDT\n"
+"PO-Revision-Date: 2011-07-08 12:48+MDT\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: LANGUAGE\n"
 "MIME-Version: 1.0\n"
@@ -15512,7 +15512,7 @@ msgid "formats_modtimes(date_format) -- return a comma-separated list of colon_s
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:546
-msgid "formats_sizes() -- return a comma-separated list of colon_separated items representing sizes in bytesof the formats of a book. You can use the select function to get the size for a specific format. Note that format names are always uppercase, as in EPUB."
+msgid "formats_sizes() -- return a comma-separated list of colon_separated items representing sizes in bytes of the formats of a book. You can use the select function to get the size for a specific format. Note that format names are always uppercase, as in EPUB."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:562
diff --git a/src/calibre/utils/formatter_functions.py b/src/calibre/utils/formatter_functions.py
index 6916b0903a..599769300f 100644
--- a/src/calibre/utils/formatter_functions.py
+++ b/src/calibre/utils/formatter_functions.py
@@ -544,7 +544,7 @@ class BuiltinFormatsSizes(BuiltinFormatterFunction):
     arg_count = 0
     category = 'Get values from metadata'
     __doc__ = doc = _('formats_sizes() -- return a comma-separated list of '
-                      'colon_separated items representing sizes in bytes'
+                      'colon_separated items representing sizes in bytes '
                       'of the formats of a book. You can use the select '
                       'function to get the size for a specific '
                       'format. Note that format names are always uppercase, '