diff --git a/HowtoEthtool.md b/HowtoEthtool.md
index 6819f93a..a9035078 100644
--- a/HowtoEthtool.md
+++ b/HowtoEthtool.md
@@ -5,7 +5,7 @@ categories: sysadmin network
 
 * Manpage : <https://manpages.debian.org/stretch/ethtool/ethtool.8.en.html>
 
-ethtool est un outil permettant de voir et contrôler les paramètres d'une carte réseau.
+[ethtool](http://www.kernel.org/pub/software/network/ethtool/) est un l'outil standard sous Linux permettant de voir et contrôler les paramètres d'une carte réseau (vitesse, half/full duplex, etc.)
 
 ## Installation
 
@@ -24,32 +24,32 @@ ethtool version 4.8
 ~~~
 # ethtool eth0
 Settings for eth0:
-	Supported ports: [ TP MII ]
-	Supported link modes:   10baseT/Half 10baseT/Full 
-	                        100baseT/Half 100baseT/Full 
-	                        1000baseT/Half 1000baseT/Full 
-	Supported pause frame use: No
-	Supports auto-negotiation: Yes
-	Advertised link modes:  10baseT/Half 10baseT/Full 
-	                        100baseT/Half 100baseT/Full 
-	                        1000baseT/Half 1000baseT/Full 
-	Advertised pause frame use: Symmetric Receive-only
-	Advertised auto-negotiation: Yes
-	Link partner advertised link modes:  10baseT/Half 10baseT/Full 
-	                                     100baseT/Half 100baseT/Full 
-	Link partner advertised pause frame use: Symmetric
-	Link partner advertised auto-negotiation: Yes
-	Speed: 100Mb/s
-	Duplex: Full
-	Port: MII
-	PHYAD: 0
-	Transceiver: internal
-	Auto-negotiation: on
-	Supports Wake-on: pumbg
-	Wake-on: g
-	Current message level: 0x00000033 (51)
-			       drv probe ifdown ifup
-	Link detected: yes
+    Supported ports: [ TP MII ]
+    Supported link modes:   10baseT/Half 10baseT/Full 
+                            100baseT/Half 100baseT/Full 
+                            1000baseT/Half 1000baseT/Full 
+    Supported pause frame use: No
+    Supports auto-negotiation: Yes
+    Advertised link modes:  10baseT/Half 10baseT/Full 
+                            100baseT/Half 100baseT/Full 
+                            1000baseT/Half 1000baseT/Full 
+    Advertised pause frame use: Symmetric Receive-only
+    Advertised auto-negotiation: Yes
+    Link partner advertised link modes:  10baseT/Half 10baseT/Full 
+                                         100baseT/Half 100baseT/Full 
+    Link partner advertised pause frame use: Symmetric
+    Link partner advertised auto-negotiation: Yes
+    Speed: 100Mb/s
+    Duplex: Full
+    Port: MII
+    PHYAD: 0
+    Transceiver: internal
+    Auto-negotiation: on
+    Supports Wake-on: pumbg
+    Wake-on: g
+    Current message level: 0x00000033 (51)
+                   drv probe ifdown ifup
+    Link detected: yes
 ~~~
 
 ### Changer son état
@@ -64,4 +64,4 @@ Pour changer l'adresse mac :
 
 ~~~
 # ethtool -s eth0 phyad 01:23:45:67:89:0a
-~~~
\ No newline at end of file
+~~~