diff --git a/docs/syntax-structure-matching.md b/docs/syntax-structure-matching.md
index 2d20414..f28805a 100644
--- a/docs/syntax-structure-matching.md
+++ b/docs/syntax-structure-matching.md
@@ -99,7 +99,7 @@ An identifier is specified on the right hand side, showing where the value will
 This desugars to:
 
 ```Lua
-foo, bar = data["foo"], data[bar()]
+foo, bar = data["foo"], data[#data]
 ```
 
 #### Dot keys with names