diff --git a/INSTALL.md b/INSTALL.md
index 5db8f8d..4a204a9 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -154,17 +154,27 @@ be useful (tail -f /var/log/apache2/error.log)
 # 8 - Connecting your CalDAV / CardDAV client to Baïkal Server
 
 ## Apple iCal:
-Add a new CalDAV account 
+Add a new CalDAV account:
+
 	* username: the username you just created (in our example, jerome) 
 	* password: the password you just defined 
 	* In server address: http://dav.mydomain.com/cal.php/principals/jerome 
 
 ## Apple Address Book:
-Add a new CardDAV account: 
+Add a new CardDAV account:
+
 	* username: the username you just created (in our example, jerome) 
 	* password: the password you just defined 
 	* In server address: http://dav.mydomain.com/card.php/addressbooks/jerome/default 
 
+## Thunderbird/Lighning:
+Add a new CalDAV account:
+
+	* Navigate to "Lightning" > "New account" > "On the network" > "URL"
+	* paste this URL: http://yourdomain.com/cal.php/calendars/username/default
+	  of and replace the domain name, and the username with the correct values
+	* When asked, provide user/password; your CalDAV account should be up and running
+
 # 9 - You're done
 
 You may now create new calendars, new events, new visit cards :) Enjoy.
@@ -176,11 +186,11 @@ me after reading README.md
 
 # 11 - FAQ
 
-Q:	Why is the Baïkal logo a fish ? 
-A:	The fish is an Omul. According to Wikipedia 
-	(http://en.wikipedia.org/wiki/Omul): The omul, Coregonus migratorius, also
-	known as Baikal omul (Russian: байкальский омуль), is a whitefish species
-	of the salmon family endemic to Lake Baikal in Siberia, Russia. It is
-	considered a delicacy and is the object of one of the largest commercial
-	fisheries on Lake Baikal. In 2004, it was listed in Russia as an endangered
-	species.
\ No newline at end of file
+Q:	Why is the Baïkal logo a fish ?
+A:	The fish is an Omul. According to Wikipedia
+(http://en.wikipedia.org/wiki/Omul): The omul, Coregonus migratorius, also
+known as Baikal omul (Russian: байкальский омуль), is a whitefish species
+of the salmon family endemic to Lake Baikal in Siberia, Russia. It is
+considered a delicacy and is the object of one of the largest commercial
+fisheries on Lake Baikal. In 2004, it was listed in Russia as an endangered
+species.
\ No newline at end of file
diff --git a/README.md b/README.md
index 3967e2d..ae32b26 100644
--- a/README.md
+++ b/README.md
@@ -24,15 +24,13 @@ information regarding these requirements see the INSTALL.md file in this folder.
   2. Search the web carefully about Baïkal Server
 
   3. Mail me (Jérôme Schneider) at mail@jeromeschneider.fr
-
      When mailing, see the following guidelines... 
-       - Be polite
-	   Always include the version of used Baïkal and server environment
-	   (phpinfo())...
-       - Be as specific and clear as possible - questions like "my
+     - Be verbose; Always include the version of used Baïkal and
+       server environment (phpinfo())...
+     - Be as specific and clear as possible - questions like "my
        installation does not work - what can I do???" will be ignored.
-	   I can read english and french.
-	
+     - I can read english and french.
+
   4. If you have identified a genuine new bug report it at
      the mail address given in point 3 of this list