1 files changed, 1 insertions, 0 deletions
diff --git a/doc/rust.md b/doc/rust.md
index 389ea58ee15..c0104e0f756 100644
--- a/doc/rust.md
+++ b/doc/rust.md
@@ -1548,6 +1548,7 @@ keyword for struct fields and enum variants). When an item is declared as `pub`,
 it can be thought of as being accessible to the outside world. For example:
 
 ~~~~
+# fn main() {}
 // Declare a private struct
 struct Foo;