Clarify wording on allocation
@@ -469,7 +469,7 @@ static int x509_get_attr_type_value( unsigned char **p,
* same set so that they are "merged" together in the functions that consume
* this list, eg mbedtls_x509_dn_gets().
*
- * On success, this function allocates a linked list starting at cur->next
+ * On success, this function may allocate a linked list starting at cur->next
* that must later be free'd by the caller using mbedtls_free(). In error
* cases, this function frees all allocated memory internally and the caller
* has no freeing responsibilities.
