Fix links in README

README.md

@@ -65,8 +65,8 @@ The maintainers of RFCs will review the proposal, ask if there's any objections,
 | [8](rfcs/0008-serialization) | [Serialization](rfcs/0008-serialization/0008-serialization.md) | Boyu Yang | Standards Track | Proposal |
 | [9](rfcs/0009-vm-syscalls) | [VM Syscalls](rfcs/0009-vm-syscalls/0009-vm-syscalls.md) | Xuejie Xiao | Standards Track | Proposal |
 | [10](rfcs/0010-eaglesong) | [Eaglesong (Proof-of-Work Function for Nervos CKB)](rfcs/0010-eaglesong/0010-eaglesong.md) | Alan Szepieniec | Standards Track | Proposal |
-| [11](rfcs/0011-serialization) | [Transaction Filter](rfcs/0011-transaction-filter-protocol/0011-transaction-filter-protocol.md) | Quake Wang | Standards Track | Proposal |
-| [12](rfcs/00012-node-discovery) | [Node Discovery](rfcs/0012-node-discovery/0012-node-discovery.md) | Linfeng Qian, Jinyang Jiang | Standards Track | Proposal |
+| [11](rfcs/0011-transaction-filter-protocol) | [Transaction Filter](rfcs/0011-transaction-filter-protocol/0011-transaction-filter-protocol.md) | Quake Wang | Standards Track | Proposal |
+| [12](rfcs/0012-node-discovery) | [Node Discovery](rfcs/0012-node-discovery/0012-node-discovery.md) | Linfeng Qian, Jinyang Jiang | Standards Track | Proposal |
 | [13](rfcs/0013-get-block-template) | [Block Template](rfcs/0013-get-block-template/0013-get-block-template.md) | Dingwei Zhang | Standards Track | Proposal |
 | [14](rfcs/0014-vm-cycle-limits) | [VM Cycle Limits](rfcs/0014-vm-cycle-limits/0014-vm-cycle-limits.md) | Xuejie Xiao | Standards Track | Proposal |
 | [15](rfcs/0015-ckb-cryptoeconomics) | [Crypto-Economics of the Nervos Common Knowledge Base](rfcs/0015-ckb-cryptoeconomics/0015-ckb-cryptoeconomics.md) | Kevin Wang, Jan Xie, Jiasun Li, David Zou | Informational | Draft |