MAINT: Doc fixes.

src/iter.rs

@@ -1,3 +1,4 @@
+//! Input stream wrappers for use in abortable_parser.
 use std::convert::From;
 use std::iter::Iterator;
 

src/tokenizer/mod.rs

@@ -12,7 +12,7 @@
 //  See the License for the specific language governing permissions and
 //  limitations under the License.
 
-//! The tokenization stext_tokene of the ucg compiler.
+//! The tokenization stage of the ucg compiler.
 use std;
 
 use abortable_parser::combinators::*;