Some tweaks to the id docs and copy-pasta typos.

Details

- Added docs for the `-r` flag of `id` also reindented to 80 cols.
- Fixed a typo on `getty`.

src/bin/getty.rs

@@ -9,7 +9,7 @@ use std::io::{self, Write};
 
 use arg_parser::ArgParser;
 
-const MAN_PAGE: &'static str = /* @MANSTART{login} */ r#"
+const MAN_PAGE: &'static str = /* @MANSTART{getty} */ r#"
 NAME
     getty - set terminal mode
 

src/bin/id.rs

@@ -26,19 +26,19 @@ SYNOPSIS
     id [ -h | --help ]
 
 DESCRIPTION
-    The id utility displays the user and group names and numeric IDs,
-    of the calling process, to the standard output.
+    The id utility displays the user and group names and numeric IDs, of
+    the calling process, to the standard output.
 
 OPTIONS
     -G
-        Display the different group IDs (effective and real)
-        as white-space separated numbers, in no particular order.
+        Display the different group IDs (effective and real) as white-space
+        separated numbers, in no particular order.
 
     -g
         Display the effective group ID as a number.
 
-    -n  Display the name of the user or group ID for the -g and -u
-        options instead of the number.
+    -n  Display the name of the user or group ID for the -g and -u options
+        instead of the number.
 
     -u
         Display the effective user ID as a number.
@@ -46,6 +46,9 @@ OPTIONS
     -a
         Ignored for compatibility with other id implementations.
 
+    -r
+        Display the real ID for the -g and -u options instead of the effective ID.
+
     -h
     --help
         Display this help and exit.