diff --git a/doc/Mise en place/Hello World.png b/doc/Mise en place/Hello World.png
index 33c462f..99f37c1 100644
Binary files a/doc/Mise en place/Hello World.png and b/doc/Mise en place/Hello World.png differ
diff --git a/hello.rb b/hello.rb
index 4ff1639..4bc8a15 100755
--- a/hello.rb
+++ b/hello.rb
@@ -1,3 +1 @@
-#! /usr/bin/ruby
-
-print "hello world!\n"
\ No newline at end of file
+print "hello world!\n"	
\ No newline at end of file