Fix Config doc.

examples/example.rs

@@ -30,18 +30,18 @@ fn main() {
             Ok(line) => {
                 rl.add_history_entry(line.as_ref());
                 println!("Line: {}", line);
-            },
+            }
             Err(ReadlineError::Interrupted) => {
                 println!("CTRL-C");
-                break
-            },
+                break;
+            }
             Err(ReadlineError::Eof) => {
                 println!("CTRL-D");
-                break
-            },
+                break;
+            }
             Err(err) => {
                 println!("Error: {:?}", err);
-                break
+                break;
             }
         }
     }

src/config.rs

@@ -3,8 +3,7 @@ use std::default::Default;
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub struct Config {
-    /// When listing completion alternatives, only display
-    /// one screen of possibilities at a time.
+    /// Maximum number of entries in History.
     max_history_size: usize,
     history_duplicates: HistoryDuplicates,
     history_ignore_space: bool,
@@ -21,7 +20,7 @@ impl Config {
         Builder::new()
     }
 
-    /// Tell the maximum length for the history.
+    /// Tell the maximum length (i.e. number of entries) for the history.
     pub fn max_history_size(&self) -> usize {
         self.max_history_size
     }