diff --git a/README.md b/README.md
index 55a31c9..1ed79ca 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@
 ### 文档
 - 官方文档: 
   - Linux 内核：https://www.kernel.org/doc/Documentation/networking/filter.txt
-  - 开发QA：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/bpf/bpf_devel_QA.rst
+  - 开发QA: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/bpf/bpf_devel_QA.rst
   - eBPF-Helpers：https://github.com/iovisor/bpf-docs/blob/master/bpf_helpers.rst/
 - 其他文档：
   - [Advanced_BPF_Kernel_Features_for_the_Container_Age_FOSDEM](https://github.com/0voice/kernel_new_features/blob/main/ebpf/%E6%96%87%E6%A1%A3/Advanced_BPF_Kernel_Features_for_the_Container_Age_FOSDEM.pdf)