Update F-Stack_Release_Note.md

Author: jfb8856606

doc/F-Stack_Release_Note.md

@@ -4,7 +4,7 @@
 
 2022.09 F-Stack v1.21.2(LTS)
 
-      1. F-Stack lib:
+ 1. F-Stack lib:
 
   - Fix #643. Fix a VXLAN issue. Thanks @agerguo
   - FF_USE_PAGE_ARRAY compatible DPDK 19.11.
@@ -14,19 +14,19 @@
   - Fix the bonding issue. @Lorisy
   - Fix the issue that `ff_netstat -r` can't show gateway6.
 
-      2. DPDK:
+ 2. DPDK:
 
   - Upgrade to DPDK-19.11.13(LTS).
 
 
 
 2021.09 F-Stack v1.21.1
 
-   1. F-Stack lib:
+ 1. F-Stack lib:
 
   - lo port is added 127.0.0.1 when freebsd init.
 
-   2. DPDK:
+ 2. DPDK:
 
   - MLX5: modify if_indextoname syscall to support F-Stack tools.