diff --git a/src/doc/trpl/structs.md b/src/doc/trpl/structs.md
index 85b11d0b6b5e..b51ad8e087d2 100644
--- a/src/doc/trpl/structs.md
+++ b/src/doc/trpl/structs.md
@@ -184,6 +184,8 @@ You can define a `struct` with no members at all:
 
 ```rust
 struct Electron;
+
+let x = Electron;
 ```
 
 Such a `struct` is called ‘unit-like’ because it resembles the empty