perf diff: Improve the help text

Fix the short line displayed by 'perf' and also fix some other
details in the longer text.

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index bd1ee55cef6a89ab37ab17211c88fd2d6079bc35..b7c393bf9ec19d5a0176d4a3d77e54b76fd4b7f7 100644 (file)
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -3,7 +3,7 @@ perf-diff(1)
 
 NAME
 ----
 
 NAME
 ----

-perf-diff - Read perf.data (created by perf record) and display the profile
+perf-diff - Read two perf.data files and display the differential profile

 
 SYNOPSIS
 --------
 
 SYNOPSIS
 --------


@@ -12,7 +12,7 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
 
 DESCRIPTION
 -----------

-This command displays the performance difference among two perf.data files
+This command displays the performance difference amongst two perf.data files

 captured via perf record.
 
 If no parameters are passed it will assume perf.data.old and perf.data.
 captured via perf record.
 
 If no parameters are passed it will assume perf.data.old and perf.data.


@@ -21,10 +21,10 @@ OPTIONS
 -------
 -p::
 --percentage::
 -------
 -p::
 --percentage::

-       Show percentages instead of raw counters
+       Show percentages instead of raw counts

 -v::
 --verbose::
 -v::
 --verbose::

-       Be verbose, for instance, show the raw counters in addition to the
+       Be verbose, for instance, show the raw counts in addition to the

        diff.
 SEE ALSO
 --------
        diff.
 SEE ALSO
 --------