* @arg cfg the config set
* @arg entry a string describing the element to register
*
- * The string may consist in several variable description separated by a space.
+ * The string may consist in several variable descriptions separated by a space.
* Each of them must use the following syntax: \<name\>:\<min nb\>_to_\<max nb\>_\<type\>
* with type being one of 'string','int', 'host' or 'double'.
*/