2012-10-28: nicer readme

nicer readme

diff --git a/README.txt b/README.txt
--- a/README.txt
+++ b/README.txt
@@ -22,8 +22,10 @@ Install:
 
 Usage:
 
-$ hg push --sitename "sitename" ftp://user:password@ftp.host.tld/path/to/dir
-→ that’s how this site gets created.
+$ hg push [-f] --sitename "sitename" ftp://user:password@ftp.host.tld/path/to/dir
+→ that’s how this site gets created. 
+  With -f it is reuploaded completely, 
+  otherwise only the changes get uploaded.
 
 To upload the site when you push it anywhere, you can use a hook in .hg/hgrc. This is what I use: