changes not reflecting in my site

Question

see I am trying to do some changes in my php, smarty web site. But changes are not reflecting .

this is the .htaccess code . Is there any errror?

# Begin cache control #
ExpiresActive on
<FilesMatch ".*">
Header unset Cache-Control
Header unset Expires
Header unset Last-Modified
FileETag None
Header unset Pragma
</FilesMatch>
# End cache control #

Answer 1

isn't it .htaccess instead of .hntaccess? Sorry but I stall can't make comments!