perf_counter tools: Tidy up manpage details

Also fix a misalignment in usage string printing.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/util/parse-options.c b/Documentation/perf_counter/util/parse-options.c
index e4d3533..b3affb1 100644
--- a/Documentation/perf_counter/util/parse-options.c
+++ b/Documentation/perf_counter/util/parse-options.c
@@ -387,7 +387,7 @@
 
 	fprintf(stderr, "\n usage: %s\n", *usagestr++);
 	while (*usagestr && **usagestr)
-		fprintf(stderr, "   or: %s\n", *usagestr++);
+		fprintf(stderr, "    or: %s\n", *usagestr++);
 	while (*usagestr) {
 		fprintf(stderr, "%s%s\n",
 				**usagestr ? "    " : "",