diff --git a/Makefile b/Makefile
index 93b23c0597713eeca82f71337dc66e95989b1b8e..5b6d5889d5d88e059308eefdc517d4282a5fe964 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ all: html/index.html \
 	html/6_unix_processes.html \
 	html/7_streams_and_pipes.html
 
-index.html: index.md github-pandoc.css
+html/index.html: index.md github-pandoc.css
 	pandoc -s -c github-pandoc.css index.md -o html/index.html
 
 html/1_understanding_a_computer.html: 1_understanding_a_computer.md github-pandoc.css
diff --git a/index.md b/index.md
index 17e020de544b6a0e0b06743b4c2a397e303030ee..765ecbb543354666c13a8fe9fcd76ca38a64580b 100644
--- a/index.md
+++ b/index.md
@@ -9,7 +9,7 @@ title: #  Unix / command line training course
 3. [First steps in a terminal](http://perso.ens-lyon.fr/laurent.modolo/unix/3_first_steps_in_a_terminal.html)
 4. [The Unix file system.](http://perso.ens-lyon.fr/laurent.modolo/unix/4_unix_file_system.html)
 5. [Users and rights](http://perso.ens-lyon.fr/laurent.modolo/unix/5_users_and_rights.html)
-6. [Unix processes]((http://perso.ens-lyon.fr/laurent.modolo/unix/6_unix_processes.html))
-7. [Streams and pipes]((http://perso.ens-lyon.fr/laurent.modolo/unix/7_streams_and_pipes.html))
+6. [Unix processes](http://perso.ens-lyon.fr/laurent.modolo/unix/6_unix_processes.html)
+7. [Streams and pipes](http://perso.ens-lyon.fr/laurent.modolo/unix/7_streams_and_pipes.html)