diff --git a/design/protocol.md b/design/protocol.md
index ab21173..d5e41e2 100644
--- a/design/protocol.md
+++ b/design/protocol.md
@@ -67,10 +67,7 @@ The table below lists all data value types supported by TAPE.
 
 [^1]: Array types are written as <E>Array, where <E> is the element type. For
 example, an array of I32 would be written as I32Array. StringArray still follows
-this rule, even though it is encoded differently from other arrays. Nesting
-arrays inside of arrays is prohibited. This problem can be avoided in most cases
-by effectively utilizing the table structure, or by improving the design of
-your protocol.
+this rule, even though it is encoded differently from other arrays.
 
 [^2]: SOP (sum of parts) refers to the sum of the size of every item in a data
 structure.