Update path to dump-syntax main.rs in example invocation
diff --git a/examples/dump-syntax/README.md b/examples/dump-syntax/README.md
index 3b23736..37c84d8 100644
--- a/examples/dump-syntax/README.md
+++ b/examples/dump-syntax/README.md
@@ -5,7 +5,7 @@
 on its own source code:
 
 ```
-cargo run -- main.rs
+cargo run -- src/main.rs
 ```
 
 The output will begin with:
diff --git a/examples/dump-syntax/src/main.rs b/examples/dump-syntax/src/main.rs
index e977972..6030710 100644
--- a/examples/dump-syntax/src/main.rs
+++ b/examples/dump-syntax/src/main.rs
@@ -4,7 +4,7 @@
 //! Use the following command from this directory to test this program by
 //! running it on its own source code:
 //!
-//!     cargo run -- main.rs
+//!     cargo run -- src/main.rs
 //!
 //! The output will begin with:
 //!