diff --git a/training-slides/src/imports-and-modules.md b/training-slides/src/imports-and-modules.md
index e73aa44e..e2914225 100644
--- a/training-slides/src/imports-and-modules.md
+++ b/training-slides/src/imports-and-modules.md
@@ -71,7 +71,7 @@ mod animals {
 
 fn main() {
     let c = animals::Cat::new("Mittens");
-    // let c = animals::Cat { name: "Mittens" };
+    // let c = animals::Cat { name: "Mittens".to_string() };
 }
 ```
 
@@ -86,7 +86,7 @@ mod animals;
 
 fn main() {
     let c = animals::Cat::new("Mittens");
-    // let c = animals::Cat { name: "Mittens" };
+    // let c = animals::Cat { name: "Mittens".to_string() };
 }
 ```