I've found 3 minor issues (spaces) in English translation:

1. missing space

   File time information. Number of seconds.The mode is optional. If mode is missing modify is used.

   =>

   File time information. Number of seconds. The mode is optional. If mode is missing modify is used.

2. double space

   CPU(s) utilisation. Processor load in percents. The cpu, type and mode are optional. If cpu is missing all is used.  If type is missing user is used. If mode is missing avg1 is used.

   =>

   CPU(s) utilisation. Processor load in percents. The cpu, type and mode are optional. If cpu is missing all is used. If type is missing user is used. If mode is missing avg1 is used.

3. double space

   Calculate disk space for a given volume. Disk space in KB. If mode is missing total is used.  In case of mounted volume, unused disk space for local file system is returned. Example: vfs.fs.size[/tmp,free].

   =>

   Calculate disk space for a given volume. Disk space in KB. If mode is missing total is used. In case of mounted volume, unused disk space for local file system is returned. Example: vfs.fs.size[/tmp,free].

Issues are in current translation projects Zabbix 2.2 and Zabbix trunk.