* Searches an element pointer in a pset.
*
* @param pset the pset to search in
- * @param key the element to is searched
+ * @param key the element to search
* @param hash the hash value of key
*
* @return
* @note
* It is not possible to insert on element more than once. If a element
* that should be inserted is already in the set, this functions does
- * nothing but returning its set_entry.
+ * nothing but returning its already existing set_entry.
*/
void *pset_insert (pset *pset, const void *key, unsigned hash);