Documentation 
Section: Locking your screen
#: C/gosstartsession.xml:126(para)
msgid ""
"Your system distributor or vendor may have altered the login screen so that "
"it no longer has a <guilabel>Language</guilabel> icon. In this case, the "
"option to shut down the computer may be found by clicking the "
"<guilabel>Other</guilabel> icon."

Correct version:
#: C/gosstartsession.xml:126(para)
msgid ""
"Your system distributor or vendor may have altered the login screen so that "
"it no longer has a <guilabel>Language</guilabel> icon. In this case, the "
"option to change the session's language may be found by clicking the "
"<guilabel>Other</guilabel> icon."

Other information:
Message originally copied and pasted from previous reference to Shutting Down, and not completely altered to refer to Locking the Screen.