*.md: Improvements for markdownlint

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>

1 files changed, 32 insertions, 32 deletions

diff --git a/docs/sources/ttl-security.md b/docs/sources/ttl-security.md
index 260886ff..b99979eb 100644
--- a/docs/sources/ttl-security.md
+++ b/docs/sources/ttl-security.md
@@ -6,14 +6,14 @@ Mechanism (GTSM).
 
 ## Prerequisites
 
-Assume you finished [Getting Started](https://github.com/osrg/gobgp/blob/master/docs/sources/getting-started.md).
+Assume you finished [Getting Started](getting-started.md).
 
 ## Contents
 
-- [Configuration](#section0)
-- [Verification](#section1)
+- [Configuration](#configuration)
+- [Verification](#verification)
 
-## <a name="section0"> Configuration
+## Configuration
 
 If the BGP neighbor "10.0.0.2" is directly connected and the "malicious" BGP
 router is 2 hops away, you can block the connection from the malicious BGP
@@ -34,10 +34,10 @@ router-id = "10.0.0.1"
 ```
 
 **NOTE:** TTL Security feature is mututally exclusive with
-[eBGP Multihop](https://github.com/osrg/gobgp/blob/master/docs/sources/ebgp-multihop.md).
+[eBGP Multihop](ebgp-multihop.md).
 These features cannot be configured for the same neighbor.
 
-## <a name="section1"> Verification
+## Verification
 
 With TTL Security configuration, GoBGP will set TTL of all BGP messages to
 255 and set the minimal acceptable TTL to the given `ttl-min` value.
@@ -46,7 +46,7 @@ Then, with the above configuration, only directly connected neighbor
 
 For the connection from the proper neighbor:
 
-```
+```bash
 $ gobgpd -f gobgpd.toml
 {"level":"info","msg":"gobgpd started","time":"YYYY-MM-DDTHH:mm:ss+09:00"}
 {"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"YYYY-MM-DDTHH:mm:ss+09:00"}
@@ -56,7 +56,7 @@ $ gobgpd -f gobgpd.toml
 ...(snip)...
 ```
 
-```
+```bash
 $ tcpdump -i ethXX tcp -v
 tcpdump: listening on ethXX, link-type EN10MB (Ethernet), capture size 262144 bytes
 hh:mm:ss IP (tos 0x0, ttl 255, id 51126, offset 0, flags [DF], proto TCP (6), length 60)
@@ -67,32 +67,32 @@ hh:mm:ss IP (tos 0x0, ttl 255, id 51127, offset 0, flags [DF], proto TCP (6), le
     10.0.0.2.xxx > 10.0.0.1.bgp: Flags [.], cksum 0x837a (incorrect -> 0xb260), ack 1, win 58, options [nop,nop,TS val 4431487 ecr 4431487], length 0
 hh:mm:ss IP (tos 0x0, ttl 255, id 51128, offset 0, flags [DF], proto TCP (6), length 103)
     10.0.0.2.xxx > 10.0.0.1.bgp: Flags [P.], cksum 0x83ad (incorrect -> 0x8860), seq 1:52, ack 1, win 58, options [nop,nop,TS val 4431487 ecr 4431487], length 51: BGP
-	Open Message (1), length: 51
-	  Version 4, my AS 65002, Holdtime 90s, ID 2.2.2.2
-	  Optional parameters, length: 22
-	    Option Capabilities Advertisement (2), length: 20
-	      Route Refresh (2), length: 0
-	      Multiprotocol Extensions (1), length: 4
-		AFI IPv4 (1), SAFI Unicast (1)
-	      Multiprotocol Extensions (1), length: 4
-		AFI IPv6 (2), SAFI Unicast (1)
-	      32-Bit AS Number (65), length: 4
-		 4 Byte AS 65002
+    Open Message (1), length: 51
+      Version 4, my AS 65002, Holdtime 90s, ID 2.2.2.2
+      Optional parameters, length: 22
+        Option Capabilities Advertisement (2), length: 20
+          Route Refresh (2), length: 0
+          Multiprotocol Extensions (1), length: 4
+        AFI IPv4 (1), SAFI Unicast (1)
+          Multiprotocol Extensions (1), length: 4
+        AFI IPv6 (2), SAFI Unicast (1)
+          32-Bit AS Number (65), length: 4
+         4 Byte AS 65002
 hh:mm:ss IP (tos 0x0, ttl 255, id 48934, offset 0, flags [DF], proto TCP (6), length 52)
     10.0.0.1.bgp > 10.0.0.2.xxx: Flags [.], cksum 0x837a (incorrect -> 0xb22e), ack 52, win 57, options [nop,nop,TS val 4431487 ecr 4431487], length 0
 hh:mm:ss IP (tos 0x0, ttl 255, id 48935, offset 0, flags [DF], proto TCP (6), length 103)
     10.0.0.1.bgp > 10.0.0.2.xxx: Flags [P.], cksum 0x83ad (incorrect -> 0x8b31), seq 1:52, ack 52, win 57, options [nop,nop,TS val 4431487 ecr 4431487], length 51: BGP
-	Open Message (1), length: 51
-	  Version 4, my AS 65001, Holdtime 90s, ID 1.1.1.1
-	  Optional parameters, length: 22
-	    Option Capabilities Advertisement (2), length: 20
-	      Route Refresh (2), length: 0
-	      Multiprotocol Extensions (1), length: 4
-		AFI IPv4 (1), SAFI Unicast (1)
-	      Multiprotocol Extensions (1), length: 4
-		AFI IPv6 (2), SAFI Unicast (1)
-	      32-Bit AS Number (65), length: 4
-		 4 Byte AS 65001
+    Open Message (1), length: 51
+      Version 4, my AS 65001, Holdtime 90s, ID 1.1.1.1
+      Optional parameters, length: 22
+        Option Capabilities Advertisement (2), length: 20
+          Route Refresh (2), length: 0
+          Multiprotocol Extensions (1), length: 4
+        AFI IPv4 (1), SAFI Unicast (1)
+          Multiprotocol Extensions (1), length: 4
+        AFI IPv6 (2), SAFI Unicast (1)
+          32-Bit AS Number (65), length: 4
+         4 Byte AS 65001
 hh:mm:ss IP (tos 0x0, ttl 255, id 51129, offset 0, flags [DF], proto TCP (6), length 52)
     10.0.0.2.xxx > 10.0.0.1.bgp: Flags [.], cksum 0x837a (incorrect -> 0xb1fa), ack 52, win 58, options [nop,nop,TS val 4431487 ecr 4431487], length 0
 hh:mm:ss IP (tos 0x0, ttl 255, id 51131, offset 0, flags [DF], proto TCP (6), length 52)
@@ -102,7 +102,7 @@ hh:mm:ss IP (tos 0x0, ttl 255, id 51131, offset 0, flags [DF], proto TCP (6), le
 
 For the connection from the malicious BGP router:
 
-```
+```bash
 $ gobgpd -f gobgpd.toml
 {"level":"info","msg":"gobgpd started","time":"YYYY-MM-DDTHH:mm:ss+09:00"}
 {"Topic":"Config","level":"info","msg":"Finished reading the config file","time":"YYYY-MM-DDTHH:mm:ss+09:00"}
@@ -111,7 +111,7 @@ $ gobgpd -f gobgpd.toml
 ...(No connection)...
 ```
 
-```
+```bash
 $ tcpdump -i ethXX tcp -v
 tcpdump: listening on ethXX, link-type EN10MB (Ethernet), capture size 262144 bytes
 hh:mm:ss IP (tos 0x0, ttl 253, id 396, offset 0, flags [DF], proto TCP (6), length 60)