2012-10-30: polish readme

polish readme

diff --git a/README.txt b/README.txt
--- a/README.txt
+++ b/README.txt
@@ -4,13 +4,13 @@ Create and/or upload a static copy of th
 
 You can get it via `hg clone http://draketo.de/proj/hgsite/`
 
-The main goal is sharing Mercurial on servers with only FTP access and
-statically served files, while providing the same information as hg
-serve and full solutions like bitbucket and gitorious (naturally
-without the interactivity).
+The main goal is sharing code with Mercurial on servers who only offer
+FTP access and statically served files, while providing the same
+information as hg serve and full solutions like bitbucket and
+gitorious (naturally without the interactivity).
 
-Only changed files are uploaded, based on the time they were last
-modified, so uploads can be reasonably fast.
+On upload, only changed files are uploaded, based on the time they
+were last modified, so uploads can be reasonably fast.
 
 Install: