WordPress category name rewrite

[sb13]

Hey guys,

 

I am no good at rewriting URLs, and I am fighting with this URL I just can't figure out how to rewrite. Because WordPress doesn't allow for two categories to have the same slug, I want to rewrite my way out of it. That is, the specific category URL I want to rewrite is:

 

{my-domain-name}/databases/theory

 

should load this internally:

 

{my-domain-name}/databases/database-theory

 

My current .htaccess file looks as follows:

 

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress

 

I just can't figure it out. I hope somone can help. Thanks!