diff --git a/lesson-templates/lesson-03-variables.tm b/lesson-templates/lesson-03-variables.tm
index 01685f5..835a9b1 100644
--- a/lesson-templates/lesson-03-variables.tm
+++ b/lesson-templates/lesson-03-variables.tm
@@ -17,7 +17,7 @@ func main():
 
     # Variables are strongly typed, so you can't
     # assign different types to the same variable:
-    x = "hello"
+    x = "hello" # <-- This will error, comment it out or fix it
 
     # Declare a variable called `y` and give it the
     # value "okay"