Original commit message from CVS:
fix type in documentation
* <para>
* If you define a category for a plugin or a feature of it, name the category
* like the feature. So if you wanted to write a "filesrc" element, you would
- * name the category "filesink". Use lowercase letters only.
+ * name the category "filesrc". Use lowercase letters only.
* If you define more than one category for the same element, append an
* underscore and an identifier to your categories, like this: "filesrc_cache"
* </para>