diff --git a/lam/lib/modules/posixAccount.inc b/lam/lib/modules/posixAccount.inc
index 9761331d..0a77ece4 100644
--- a/lam/lib/modules/posixAccount.inc
+++ b/lam/lib/modules/posixAccount.inc
@@ -76,9 +76,9 @@ class posixAccount extends baseModule implements passwordService {
 		$this->messages['userPassword'][1] = array('ERROR', _('Password'), _('Password contains invalid characters. Valid characters are: a-z, A-Z, 0-9 and #*,.;:_-+!%&/|?{[()]}=@$ !'));
 		$this->messages['userPassword'][4] = array('ERROR', _('Account %s:') . ' posixAccount_password', _('Password contains invalid characters. Valid characters are: a-z, A-Z, 0-9 and #*,.;:_-+!%&/|?{[()]}=@$ !')); // double "%" because of sprintf
 		$this->messages['uid'][0] = array('INFO', _('UID'), _('UID has changed. Do you want to change home directory?'));
-		$this->messages['uid'][1] = array('WARN', _('User name'), _('You are using a capital letters. This can cause problems because windows isn\'t case-sensitive.'));
+		$this->messages['uid'][1] = array('WARN', _('User name'), _('You are using capital letters. This can cause problems because Windows is not case-sensitive.'));
 		$this->messages['uid'][2] = array('ERROR', _('User name'), _('User name contains invalid characters. Valid characters are: a-z, A-Z, 0-9 and .-_ !'));
-		$this->messages['uid'][3] = array('WARN', _('Host name'), _('You are using a capital letters. This can cause problems because windows isn\'t case-sensitive.'));
+		$this->messages['uid'][3] = array('WARN', _('Host name'), _('You are using capital letters. This can cause problems because Windows is not case-sensitive.'));
 		$this->messages['uid'][4] = array('ERROR', _('Host name'), _('Host name contains invalid characters. Valid characters are: a-z, A-Z, 0-9 and .-_ !'));
 		$this->messages['uid'][5] = array('WARN', _('User name'), _('User name in use. Selected next free user name.'));
 		$this->messages['uid'][6] = array('WARN', _('Host name'), _('Host name in use. Selected next free host name.'));