diff --git a/README.md b/README.md
index 02e6f88..f5e0e34 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ The BDOS may be recompiled for starting at a lower address, in this case,
 the minimum memory requirement may be less than 64k.
 
 |Start|Size|Function|
-+-+-+-+
+|--|--|--|
 |F000|4k|BDOS and hw drivers|
 ||var|BDOS data|
 |SP|var|Stack, growing down|