s/iterator/iterator./

Author: Nick Hamann

src/libcore/iter.rs

@@ -275,7 +275,7 @@ pub trait Iterator {
 
     /// Creates an iterator that yields pairs `(i, val)` where `i` is the
     /// current index of iteration and `val` is the value returned by the
-    /// iterator
+    /// iterator.
     ///
     /// `enumerate` keeps its count as a `usize`. If you want to count by a
     /// different sized integer, the `zip` function provides similar