diff --git a/README.md b/README.md
index 0a39d03..fe2ddb7 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,6 @@ highest address = last stack arg
 Strings are stored in memory as null terminated sequences of bytes encoding ascii characters.
 They should be passed by reference.
 
+#### Array
+Arrays are stored in memory with a reference to them being the tuple (pointer, length) stored in a register pair.
+Array elements may only have a size of 8/16/32 bits