doc: elektraFree
see
@@ -258,10 +258,12 @@ void * elektraCalloc (size_t size)
return ret;
}
-/**Free memory of elektra or its backends.
+/**Free memory of Elektra or its backends.
*
* @param ptr the pointer to free
*
+ * If ptr is NULL, no operation is performed.
+ *
* @ingroup internal
* @see elektraMalloc
*/
