Adjust the documentation

src/connection.rs

@@ -60,8 +60,7 @@ impl Connection {
         ::statement::new(self.raw, statement)
     }
 
-    /// Create a reusable iterator over the resulting rows of a prepared
-    /// statement.
+    /// Create an iterator over the resulting rows of a prepared statement.
     #[inline]
     pub fn iterate<'l, T: AsRef<str>>(&'l self, statement: T) -> Result<Iterator<'l>> {
         ::iterator::new(try!(::statement::new(self.raw, statement)))

src/iterator.rs

@@ -1,7 +1,7 @@
 use statement::{State, Statement, Bindable, Readable};
 use {Result, Value};
 
-/// A reusable iterator over the results of a prepared statement.
+/// An iterator over the results of a prepared statement.
 pub struct Iterator<'l> {
     state: Option<State>,
     values: Option<Vec<Value>>,