lib-storage: Small comment update

diff --git a/src/lib-storage/mail-storage.h b/src/lib-storage/mail-storage.h
index ae23e98a4bf1cf6bca0c9496dde17ef72ceabeda..8d00a86b47cece2d86d3a756030c299a6bfe4707 100644 (file)
--- a/src/lib-storage/mail-storage.h
+++ b/src/lib-storage/mail-storage.h
@@ -725,8 +725,9 @@ void mailbox_search_result_sync(struct mail_search_result *result,
                                ARRAY_TYPE(seq_range) *removed_uids,
                                ARRAY_TYPE(seq_range) *added_uids);
 
-/* Build mail_keywords from NULL-terminated keywords list.
-   Returns 0 if successful, -1 if there are invalid keywords (error is set). */
+/* Build mail_keywords from NULL-terminated keywords list. Any duplicate
+   keywords are removed. Returns 0 if successful, -1 if there are invalid
+   keywords (error is set). */
 int mailbox_keywords_create(struct mailbox *box, const char *const keywords[],
                            struct mail_keywords **keywords_r);
 /* Like mailbox_keywords_create(), except ignore invalid keywords. */