diff --git a/01-simple-boot-sector/.README.md.swp b/01-simple-boot-sector/.README.md.swp
deleted file mode 100644
index 5821b1e..0000000
Binary files a/01-simple-boot-sector/.README.md.swp and /dev/null differ
diff --git a/01-simple-boot-sector/README.md b/01-simple-boot-sector/README.md
index 7c68686..220b1f0 100644
--- a/01-simple-boot-sector/README.md
+++ b/01-simple-boot-sector/README.md
@@ -1,3 +1,5 @@
+*Concepts you may want to Google beforehand: assembler, BIOS*
+
 This is very exciting, we're going to create our own boot sector!
 
 Theory
diff --git a/02-boot-sector-interrupts/README.md b/02-boot-sector-interrupts/README.md
new file mode 100644
index 0000000..5045f6e
--- /dev/null
+++ b/02-boot-sector-interrupts/README.md
@@ -0,0 +1,4 @@
+We will improve a bit on our infinite-loop boot sector and print
+something on the screen. We will raise an interrupt for this.
+
+
diff --git a/02-boot-sector-interrupts/boot_sect_hello.asm b/02-boot-sector-interrupts/boot_sect_hello.asm
new file mode 100644
index 0000000..e69de29
diff --git a/README.md b/README.md
index 805eb44..91a7472 100644
--- a/README.md
+++ b/README.md
@@ -28,10 +28,11 @@ to what folder 08 is about.
 
 To see the increments between "lessons", do a diff between folders.
 
-Second, for each folder, read the README. It is **very concise**. There is
-no theory. Then, look at the code examples. You can try to write them by 
+Second, for each folder, read the README. It is **very concise**. The only theory.
+is the required to understand the code.
+Then, look at the code examples. You can try to write them by 
 yourself on a different folder, modify them slightly and play a bit with the 
-code.
+code, you know, the usual.
 
 Finally, the code files provided in each folder are the final result. If
 you want to learn quickly (though not as thoroughly), just read the