Fixed error in doc test

src/app.rs

@@ -298,7 +298,6 @@ impl App {
     ///                        .index(1)
     ///                        .help("Configuration file to use")))
     ///             // Additional subcommand configuration goes here, such as arguments...
-    /// )
     /// # .get_matches();
     /// ```
     pub fn subcommand(mut self, subcmd: App) -> App {

src/lib.rs

@@ -14,7 +14,7 @@
 //! After defining a list of possible valid arguments you get a list of matches that the user supplied at runtime. You can then use this list to
 //! determine the functioning of your program.
 //!
-//! # Example
+//! Example:
 //! 
 //! ```no_run
 //! use clap::{Arg, App, SubCommand};

src/subcommand.rs

@@ -13,7 +13,7 @@ use argmatches::ArgMatches;
 /// ```no_run
 /// # use clap::{App, Arg, SubCommand};
 /// # let matches = App::new("myprog")
-/// #                 .subcommand(
+/// #                    .subcommand(
 /// SubCommand::new("conifg")
 ///                .about("Used for configuration")
 ///                .arg(Arg::new("config_file")