Update grp.po

Author: LamentXU123

library/grp.po

@@ -127,7 +127,7 @@ msgid ""
 "Return the group database entry for the given numeric group ID. :exc:"
 "`KeyError` is raised if the entry asked for cannot be found."
 msgstr ""
-"傳回給定群組ID的群組數據庫條目。:exc:`KeyError`會在找不到所要求的條目時被抛"
+"傳回給定群組ID的群組數據庫條目。 :exc:`KeyError` 會在找不到所要求的條目時被抛"
 "出。"
 
 #: ../../library/grp.rst:48