Continue reading link not working after excerpt on home page

Hi, I am using an older version of WordPress. I have changed index.php to show only the post excerpts on the home page, rather than all posts in their entirety lined up after each other.
At the end of each post excerpt there is ‘[…]’ however this is inactive and doesn’t click through to the entire post. I can only view the entire article by clicking on the heading.
How do I change this so it says something like “Click here to continue reading…” and links to the entire article?
Here is a link to my blog: http://www.xplore.net.au/blog/
This is the only line I changed in index.php:
NOW: <?php the_excerpt(‘Read more…’); ?>
WAS: <?php the_content(‘Read more…’); ?>
Thanks in advance for your help.