diff --git a/vm.md b/vm.md
index eafa256..2d0c95e 100644
--- a/vm.md
+++ b/vm.md
@@ -235,6 +235,8 @@ the section contents.
 
 The data section contains static data that is initialized to some known value.
 
+* 16 bits - length of section name
+* N bits - section name
 * 64 bits - section load start - where in memory the content of this section begins
 * 64 bits - section length - how long the memory content is