diff --git a/specs/simple-serialize.md b/specs/simple-serialize.md
index f2ca7c0cd..8577dcd2b 100644
--- a/specs/simple-serialize.md
+++ b/specs/simple-serialize.md
@@ -85,7 +85,7 @@ The serialized representation of composite types is comprised of two binary segm
 
 * The first segment is *fixed size* for all types, containing the concatenation of *either* 
     - The serialized representation of value for each of the *fixed size* types
-    - The `"uint32"` serialized offset where the serialized representation of the *variable sized* type is located in the second section.
+    - The `"uint32"` serialized offset where the serialized representation of the *variable sized* type is located in the second section relative to the beginning of the first section.
 * The second section contains the concatenation of the serialized representations of **only** the *variable size* types.
     - This section is empty in the case of a purely *fixed size* type.