1 files changed, 1 insertions, 1 deletions
diff --git a/doc/tutorial.md b/doc/tutorial.md
index 7244206b2eb..4b76152cdb0 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -1651,7 +1651,7 @@ may be invoked on multiple types.
 fn map<T, U>(vector: &[T], function: fn(v: &T) -> U) -> ~[U] {
     let mut accumulator = ~[];
     for vec::each(vector) |element| {
-        vec::push(accumulator, function(element));
+        accumulator.push(function(element));
     }
     return accumulator;
 }