diff --git a/doc/tutorial.md b/doc/tutorial.md
index d20ce43c3d2c8..4f8633c194afe 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -226,9 +226,9 @@ let monster_size: int = 50;
 ~~~~
 
 Local variables may shadow earlier declarations, as in the previous example:
-`monster_size` was first declared as a `float`, and then then a second
+`monster_size` was first declared as a `float`, and then a second
 `monster_size` was declared as an int. If you were to actually compile this
-example, though, the compiler will determine that the second `monster_size` is
+example, though, the compiler will determine that the first `monster_size` is
 unused and issue a warning (because this situation is likely to indicate a
 programmer error). For occasions where unused variables are intentional, their
 name may be prefixed with an underscore to silence the warning, like `let