diff --git a/doc/2.2_gdb&peda.md b/doc/2.2_gdb&peda.md
index af0681c..2bedb9a 100644
--- a/doc/2.2_gdb&peda.md
+++ b/doc/2.2_gdb&peda.md
@@ -83,5 +83,4 @@ $ echo "DONE! debug your program with gdb and enjoy"
 ## GEF/pwngdb
 除了 peda 外还有一些优秀的 gdb 增强工具，功能大致相同，可以看情况选用。
 - [GEF](https://github.com/hugsy/gef) - Multi-Architecture GDB Enhanced Features for Exploiters & Reverse-Engineers
-- [pwndbg
-](https://github.com/pwndbg/pwndbg) - Exploit Development and Reverse Engineering with GDB Made Easy
+- [pwndbg](https://github.com/pwndbg/pwndbg) - Exploit Development and Reverse Engineering with GDB Made Easy