With this MOD, your article pages urls will contain the title of the article for better search engine optimization.

1 in .htaccess
FIND

##Article Page Rewrite
   RewriteCond %{REQUEST_FILENAME} !-f
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteCond %{REQUEST_FILENAME} !-l
   RewriteRule (.*)articles/article-(.*)\.htm[l]?$ article.php [QSA,NC]

REPLACE BY

##Article Page Rewrite
   RewriteCond %{REQUEST_FILENAME} !-f
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteCond %{REQUEST_FILENAME} !-l
   RewriteRule (.*)articles/(.*)\.html$ article.php [NC,QSA,L]

If you have installed the mod for seo friendly details pages, please place this code above the rewrite rules for the details pages which begin with

##Details Link Page Rewrite

2. in /article.php
FIND

preg_match ('#(.*)article(_|-)(\d+)\.htm[l]?$#i', request_uri(), $matches);

REPLACE BY

preg_match('#articles/(.*)(_|-)(\d+)\.htm[l]?$#i',request_uri(),$matches);

in /templates/your_template/articlelink.tpl
FIND

article-{$article.ID}.html

REPLACE BY

{$article.TITLE|replace:" ":"-"}-{$article.ID}.html