diff --git a/Installation-Guide.md b/Installation-Guide.md
index a502f58..b74d3d5 100644
--- a/Installation-Guide.md
+++ b/Installation-Guide.md
@@ -14,6 +14,7 @@ The directory structure for both machines is identical. Assuming the fixed disk
 /HARDDISK/DEMOS/SDUTILS - Copy files to/from SD card+Ardiuno over gameport.
 /HARDDISK/DEMOS/NET     - Network programs using ethernet card
 ```
+## Apple II floppy disks
 The floppy file layout looks like:
 ```
 PLASMA2-SYS.PO   -> /HARDDISK       - System modules