diff --git a/README.md b/README.md
index 74acca9..a37b9f4 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ hobby bootloader written in asm. It's just for playing around... for now :p
 
 ### memory map
 
+```
 +------ 0x00100000 ------+
 | hardware, bios stuff   |
 +------ 0x00080000 ------+
@@ -19,3 +20,4 @@ hobby bootloader written in asm. It's just for playing around... for now :p
 +------ 0x00000500 ------+
 | bios stuff             |
 +------ 0x00000000 ------+
+```