More doc nits

Update script to look for period or POD markup in NAME section, and
fix them.

Reviewed-by: Andy Polyakov <appro@openssl.org>
diff --git a/doc/apps/ciphers.pod b/doc/apps/ciphers.pod
index 19067cd..121912b 100644
--- a/doc/apps/ciphers.pod
+++ b/doc/apps/ciphers.pod
@@ -2,7 +2,7 @@
 
 =head1 NAME
 
-ciphers - SSL cipher display and cipher list tool.
+ciphers - SSL cipher display and cipher list tool
 
 =head1 SYNOPSIS